Description
NAS43DD4-28N – SPACER, SLEEVE
NEW SURPLUS, SOLD PER EACHSpecifications
Corner Shape: Square All Corners
Style/Shape: Solid, Plain, No Outside Flanges
Surface Treatment: Anodize
Material: Aluminum Alloy
Inside Diameter Body: 0.2560″ Min – 0.2970″ Max
Outer Diameter Body: 0.3650″ Min – 0.3850″ Max
Overall Length: 0.4330″ Min – 0.4430″ Max
Additional Information: Gray Anodize
Part Number: NAS43DD4-28N
Unpunctuated: NAS43DD428N
The specifications above are for reference only. Verify tolerances and details in the official spec sheets before use.
AVBOX US Certificate of Conformance: This product comes with an AVBOX US Certificate of Conformance (CoC), assuring that the part(s) meet specified design, quality, and regulatory standards at the time of manufacture, providing confirmation of compliance and adherence to applicable aviation requirements.
Part Numbers, Alternates & Reference Info: We ship the exact part number shown in the product title/description when in stock. Any NSNs or alternate part numbers listed are for traceability/reference only. If a compatible alternate is the only option available, we will contact you before shipping to confirm acceptance. Specifications are compiled from multiple sources and provided for convenience; always verify fit, tolerances, and requirements in the official spec sheets and applicable repair manuals/IPCs before purchase. If specific documentation (e.g., 8130 or company CoC/trace) is required, please contact us before ordering. We do not provide usage/support guidance, please refer to the manuals. Ordering the wrong part can extend lead times and result in aircraft downtime.
Specifications
No specifications have been added for this product yet.
Please review the product title, part number, condition, photos, and description before ordering.
Alternate Parts
No alternate parts have been added for this product yet.
Verification Required: Alternate, equivalent, superseded, and manufacturer-reference parts must be verified for part number accuracy, aircraft configuration, documentation requirements, and suitability before purchase or use.
Additional Information
Before ordering, please review the product title, part number, condition, quantity, unit of measure, photos, documentation notes, and any listed alternate part numbers.
Condition & Documentation
Only the condition and documentation shown or stated on this product listing should be expected with the order. Company CoC, Manufacturer CoC, trace, FAA Form 8130-3, tags, or other paperwork should only be expected when clearly listed.
Part Number Verification
Aircraft parts and hardware can look similar while differing by dash number, suffix, material, finish, dimensions, certification, or application. Customers are responsible for confirming the correct part number and suitability before purchase or use.
Shipping & Ordering
Orders are generally processed within 24 business hours when possible. Orders with customer-provided shipping accounts, tax-exempt requests, missing information, special handling, or documentation questions may require review before shipment.
Certification & Conditions Guide | Shipping & Ordering | Contact AVBOX US
Need Help Verifying This Part?
Send us the part number, quantity needed, documentation requirements, and aircraft or application details when available. We can help review the information shown in the listing before you order.






65-69304-1 - HOOK
206-412-071 - SEAT, CLOSEOUT, LEFT
358171 - GEAR
2330-08206-00 - SEAL
85-25940-0390 - SHAFT
3029546 - GASKET
1755218 - GEAR
23054604 - GASKET
60-011-7 - GASKET
292475 - SHAFT
2581459-2 - GEAR
3-562-60002 - DISC
206-412-072 - SEAT, CLOSEOUT, RIGHT
204-010-506-005 - SIGHT GLASS, TRANSMISSION
867C285G1 - DISK
5644-37 - STRAP
AN901-6A - GASKET
2330-00368-00 - SEAL
212-060-901-053 - GASKET
700688-1 - GEAR
RSA1826 - GEAR
71X7027 - SEAL
PB34478-1 - GEAR
CAL-2LG - LOG GRABING HOOK
CAL-2LG-CYL - LOG GRABING HOOK CYLINDER
60617-1 - SOCKET, CONNECTOR
212-060-532-005 - GASKET
AS3582-213 - GASKET
AS3491-01 - GASKET
60-017-1 - GASKET
622-6019-001 - SENSOR, SLIP SKID
206-061-901-121 - GASKET
205-030-540-001 - SEAL, DOOR POST, INSTALLATION
1714836-3 - GEAR
206-061-224-047 - SEAL
2-657-30016 - ROTOR
205-040-115-101 - GASKET
206-376-001-101 - GASKET
65C15314-48 - STRAP
76207-02001-104 - SEAL, WAX
23053263 - GASKET, THERMOCOUPLE
2- B-60-TB - TB SHEAVE
204-075-151-1 - GASKET
204-075-151-001 - GASKET
605082GA - PISTON
AN904-1 - GASKET
MS25036-136 - TERMINAL, RING
739041-1 - STRAP
35108 - TERMINAL, RING
212-040-151-005 - GEAR
TF5A-520 - DRIVE
206-070-937-025 - GASKET
205-060-907-037 - SEAL
S65652-03115-102 - PISTON
MS20470AD3-6 - RIVET, SOLID
2-00301-0290 - SHAFT
71742-4 - DISC
MS20426AD5-20 - RIVET, SOLID
MS21069L3K - NUT PLATE, SELF-LOCKING
HL19PB6-8 - PIN-RIVET
AS3493-01 - GASKET
BRE5197 - ROD END
BACD40A20-26-5A2 - DUCT
KS6040 - SWITCH, ENGINE STARTER, ELECTRICAL
152092 - GEAR
AYK7145-1 - MANIFOLD
8193-1 - PRESSURE SNUBBER
17-1569-06 - BACKSHELL, STRAIGHT, CLAMP
BACD40A6-29-5A1 - DUCT
BACD40A18-9-5A2 - DUCT
ANN1328 - DIAPHRAGM, ASSEMBLY
T1038-038 - CAP
802806-1 - MANIFOLD
S6120-62406-36 - COWLING
108413 - COVER
BACD40D16-20-10 - DUCT
BACD40K8-075A4 - DUCT
92209-04506-103 - FIRE SCREEN APU
SAM236-7 - DOOR KIT
BACD40D32-12-16 - DUCT
MS27488-20-1 - PLUG, END SEAL
BACD40B21-10-5-4 - DUCT
T2159-075AZ - CAP
890459 - COOLER
69-16552-7 - DUCT
A802097 - VENT TUBE, BATTERY
130-0195-01 - DOOR
12838-25 - FLANGE
AWD0282-503 - VENT
76088-50087-106 - DUCT
645447-3 - COOLER SHAFT
798C101G01 - FAN
AN929-6J - CAP
SV721819 - BAR
AN929-3J - CAP, TUBE
AJH7140-1 - CRANK
DL1326M99-2 - ACTUATOR
35107 - TERMINAL, RING
1231 - HEAD, REAR
LL2184 - GUIDE
MS21208C8-20 - SPRING
A2814009300300 - OUTLET
F45-19 - CLEVIS
316174-4 - LINK