Home · NSN 00-931-8546

NSN 00-931-8546 — Nut,Self-Locking,Extended Washer

NIIN 00-931-8546 · unit of issue EA · AAC Y (terminal item, replaced) · source of supply SMS

NSN 00-931-8546 is the national stock number for a nut,self-locking,extended washer. It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including Rtx Corporation, Howmet Global Fastening Systems Inc; the primary is 502093. The unit of issue is EA and the FLIS list price is $9.39.

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 2 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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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
502093	77445	Rtx Corporation	1 · Design control	2 · Fully interchangeable
H19942-6	15653	Howmet Global Fastening Systems Inc	3 · Design control (vendor)	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 502093.

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

DLA management data

FLIS unit price: $9.39
Unit of issue: EA
Acquisition advice: Y — Terminal item, replaced
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Thread Class: 3B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Washer Outside Diameter: INCHES MINIMUM 0.568 AND INCHES MAXIMUM 0.598
Lubrication: DRY FILM LUBRICANT
Overall Height: INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.458
Washer Thickness: INCHES NOMINAL 0.070
Width Across Flats: INCHES MINIMUM 0.424 AND INCHES MAXIMUM 0.439
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch: 24
Hardness Rating: ROCKWELL C MINIMUM 38.0 AND ROCKWELL C MAXIMUM 48.0
Nominal Thread Size: INCHES 0.375
Material: OVERALL STEEL COMP 4340
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6415
Surface Treatment: OVERALL CADMIUM
Surface Treatment Document And Classification: OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2400

Related stock numbers

Other NSNs filed under the same part numbers.

00-173-5074 · Bearing,Ball,Rod End
00-945-0840 · Nut,Self-Locking,Double Hexagon
01-584-7478 · Wiring Harness,Branched

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.