Home · NSN 00-840-1166

NSN 00-840-1166 — Nut,Self-Locking,Extended Washer

NIIN 00-840-1166 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 00-840-1166 is the national stock number for a nut,self-locking,extended washer. It cross-references to 6 manufacturer part numbers from 12 CAGE codes, including Howmet Global Fastening Systems Inc., Sps Technologies, LLC, Howmet Global Fastening Systems Inc; the primary is BACN10B-L7L. The unit of issue is EA and the FLIS list price is $4.66.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part numbers from 12 CAGEs

open solicitations, all agencies

government buys in 24 months

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
BACN10B-L7L	5M902	Howmet Global Fastening Systems Inc.	3 · Design control (vendor)	2 · Fully interchangeable
FN22A-720	56878	Sps Technologies, LLC	3 · Design control (vendor)	2 · Fully interchangeable
H29523-7	15653	Howmet Global Fastening Systems Inc	3 · Design control (vendor)	2 · Fully interchangeable
BACN10B-L7L	77272	The Boeing Company	5 · Secondary reference	9 · Reference only
BACN10B-L7L	06329	Asc International, Inc.	5 · Secondary reference	9 · Reference only
H23-7	F6033	Tecnotec Sarl	5 · Secondary reference	9 · Reference only
H23-7	15653	Howmet Global Fastening Systems Inc	5 · Secondary reference	9 · Reference only
H23-7	F7652	Klx Aerospace Solutions Ii Sas	5 · Secondary reference	9 · Reference only
H23-7	R1120	Satair A/S	5 · Secondary reference	2 · Fully interchangeable
LH3393-070	72962	Harvard Industries Inc	5 · Secondary reference	9 · Reference only
LH3393-070	56878	Sps Technologies, LLC	5 · Secondary reference	2 · Fully interchangeable
VN406-A-070	92215	Howmet Global Fastening Systems Inc Div Torrance Operations	5 · Secondary reference	9 · Reference only
VN406-A-070	C4293	Fairchild Fasteners Europe - Vsd Gmbh	5 · Secondary reference	2 · Fully interchangeable
BACN10B-L7L	81205	The Boeing Company	7 · Replaced/superseded	2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on BACN10B-L7L.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $4.66
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Washer Outside Diameter: INCHES MAXIMUM 0.786
Lubrication: DRY FILM LUBRICANT
Overall Height: INCHES MAXIMUM 0.469
Washer Thickness: INCHES NOMINAL 0.078
Width Across Flats: INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502
Temp Rating: FAHRENHEIT NOMINAL 450.0
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch: 20
Hardness Rating: ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 45.0
Nominal Thread Size: INCHES 0.438
Material: OVERALL STEEL COMP 8740
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S6322
Surface Treatment: OVERALL CADMIUM
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.