Description
NAS391B6P – WASHER, FINISHING
NEW, SOLD PER EACHSpecifications
Style/Shape: Finishing
Material Thickness: 0.015″ Min – 0.021″ Max
Material: Steel
Hole Diameter: 0.179″ Min – 0.185″ Max
Outside Diameter: 0.442″ Min – 0.448″ Max
Overall Height: 0.084″ Min – 0.090″ Max
Part Number: NAS391B6P
Unpunctuated: NAS391B6P
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Verification Required: Alternate, equivalent, superseded, and manufacturer-reference parts must be verified for part number accuracy, aircraft configuration, documentation requirements, and suitability before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
Only logged in customers who have purchased this product may leave a review.
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.






SS9019-2073 - NAMEPLATE
DMYNO-NOTAS-989 - CONNECTOR
MS20426AD6-8 - RIVET, SOLID
SS9016-0463 - PLACARD, NAMEPLATE, IDENTIFICATION
DD24661 - BACKSHELL, ELECTRICAL CONNECTOR
SS9016-0634 - NAMEPLATE
1245315 - THERMO
SS9019-1409 - PLATE, IDENTIFICATION
SS9019-4910 - DECAL
FC6020D - CONTACT, SOCKET
SS9014N02INV - PLATE, IDENTIFICATION
SS9019-7200 - PLATE, IDENTIFICATION
SS9019-3410 - NAMEPLATE
1261915-26 - TRANSISTOR
MS27534-16 - INSERTER AND REMOVER, ELECTRICAL
SS9014N01INV - PLATE, IDENTIFICATION
129-215344-01 - CONNECTOR
SS9019-3120 - PLATE, IDENTIFICATION
1278757-12 - RESISTOR
SS9016-0681 - NAMEPLATE
SS9019-8098 - PLATE, IDENTIFICATION
T101362 - TRANSMISSION SLEEVE
SS9017-100 - PLATE, IDENTIFICATION
407-240-014-105 - DRILL GUIDE ASSEMBLY
NAS1664-20 - INSERTER AND REMOVER, ELECTRICAL
T103243-101 - SLEEVE
T103215-101 - RESTRAINT ASSEMBLY
407-240-017-101 - DRIVER GUIDE ASSEMBLY
AN4-27A - BOLT, MACHINE
MS27488-16-1 - PLUG, END SEAL
T103303-101 - WEAR SLEEVE
T103320-101 - BAR
DS04-3PY - CONNECTOR
291978-2 - MAINTENANCE STAND ADAPTER
MS3102R14S2P - CONNECTOR, RECEPTACLE, ELECTRICAL
DEC9S - CONNECTOR, RECEPTACLE, ELECTRICAL
T103025 - PLUG ASSEMBLY
T103027 - HOLDER ASSEMBLY
2330-11575-00 - RUBBER
SS9082-123 - DECAL
MS20470AD4-3 - RIVET, SOLID
69341840 - DRILL BIT, JOBBER
T103036 - HOLDER
MSPF101BC0 - SWITCH
MS21047L06 - NUT PLATE, SELF-LOCKING
2603487 - ORIFICE
MS20426AD6-6 - RIVET, SOLID
T101406 - PLATE
206-031-102-029S - SUPPORT
35108 - TERMINAL, RING
088-03029-0001 - SWITCH, REFLECTOR, INCREASE-DECREASE
10-20015 - SOCKET
206WB - CARTRIDGE, P-TAPE
AN315-6R - NUT, PLAIN, HEXAGON
T102043 - CENTERING TOOL
MS20426AD5-10 - RIVET, SOLID
MTA-106D - SWITCH
MS9165-02 - BRACKET
CB4022V3CR12 - NUT PLATE, BRACKET, RIGHT ANGLE
T101897 - CLEVIS, LIFTING EYE
20-032-3 - BRACKET
M203 - OIL, AWG
Reviews
There are no reviews yet.