Description
NAS43DD3-20N – 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: 0.1940″ Min – 0.2340″ Max
Outer Diameter Body: 0.3020″ Min – 0.3220″ Max
Overall Length: 0.3075″ Min – 0.3175″ Max
Additional Information: Color Gray
Part Number: NAS43DD3-20N
Unpunctuated: NAS43DD320N
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Verification Required: Alternate, equivalent, superseded, and manufacturer-reference parts must be verified for part number accuracy, aircraft configuration, documentation requirements, and suitability before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.







19073-0049 - TERMINAL, RING
NAS1456-06 - PIN-RIVET
20856-1 - GEAR
MS25036-136 - TERMINAL, RING
AS5178D06 - NUT
AN924-6J - NUT, PLAIN, HEXAGON
MS21044D3 - NUT, SELF-LOCKING, HEXAGON
AS5178D04 - NUT
MS20470AD3-8 - RIVET, SOLID
MS21921-6D - NUT, TUBE COUPLING
NAS424-10D - COUPLING, TUBE
MS20470AD3-4 - RIVET, SOLID
NAS9926-4L - NUT, SELF-LOCKING, DOUBLE HEXAGON
AN929-4W - CAP, TUBE
320565 - TERMINAL, RING
320563 - TERMINAL, RING
MS20426AD6-10 - RIVET, SOLID
MS27488-16-1 - PLUG, END SEAL
MS21069L08 - NUT PLATE, SELF-LOCKING
60617-1 - SOCKET, CONNECTOR
MS24658-22F - SWITCH, TOGGLE
602EN602-6 - SWITCH, LIMIT
AN924-4C - NUT, PLAIN, HEXAGON
35112 - TERMINAL, RING
AN924-8D - NUT, PLAIN, HEXAGON
A-30E - MOUNT, TRAY
206-031-123-060S - LONGERON
MS21043-3 - NUT, SELF-LOCKING, EXTENDED WASHER
AN929-61 - CAP, TUBE
AS5178D16 - NUT
MS21914-4W - CAP, TUBE
AN3H15A - BOLT, MACHINE
MS20470AD3-6 - RIVET, SOLID
MS20426AD6-7 - RIVET, SOLID
36154 - TERMINAL, RING
MS3120E14-19S - CONNECTOR
AS5178-12 - NUT
AN929-3 - CAP
AN4-27A - BOLT, MACHINE
100-016-1 - PLUG
35107 - TERMINAL, RING
AS5178-04 - NUT
206-033-410-117S - INTERCOSTAL
MS51990-106P - RING, LOCK, SERRATED
AN929-4J - CAP
AS5178D12 - NUT
211-27B - SWITCH, PRESSURE
204-010-433-001 - BEARING
MS25171-3S - NIPPLE, BOOT, TERMINAL
MS27473T24B35S - CONNECTOR
MS21902D4 - NIPPLE, BOSS
BH3776 - CONTACT
206-031-117-343S - CHANNEL, SEATBELT
MS3106F14S-6S - BACKSHELL, STRAIGHT, CIRCULAR CONNECTOR
MS25036-159 - TERMINAL, RING
AN4-10A - BOLT, MACHINE
MS20426AD5-10 - RIVET, SOLID
AN929-3J - CAP, TUBE
MS9245-43 - PIN, COTTER
AN929-6J - CAP
MS21914-4D - ALUMINUM CAP
MS20257-2-7200 - HINGE
MS25036-102 - TERMINAL, RING
HL19PB6-5 - PIN-RIVET
31-320 - CONNECTOR
AN743-13 - BRACKET, ANGLE
212-061-210-055 - GASKET
MS27488-22-1 - PLUG, END SEAL
AS3209-232 - O-RING
NAS9926-6L - NUT, SELF-LOCKING, EXTENDED WASHER