Home · NSN 01-434-6734

NSN 01-434-6734 — Nut,Self-Locking,Extended Washer

NIIN 01-434-6734 · unit of issue HD · AAC Z (insurance item) · source of supply SMS

NSN 01-434-6734 is the national stock number for a nut,self-locking,extended washer. It cross-references to 2 manufacturer part numbers from 5 CAGE codes, including The Boeing Company, Sps Technologies, LLC, Howmet Global Fastening Systems Inc; the primary is BACN10HY6MX. The unit of issue is HD and the FLIS list price is $654.60.

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 5 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
BACN10HY6MX	81205	The Boeing Company	1 · Design control	2 · Fully interchangeable
BACN10HY6MX	56878	Sps Technologies, LLC	3 · Design control (vendor)	2 · Fully interchangeable
BACN10HY6MX	15653	Howmet Global Fastening Systems Inc	3 · Design control (vendor)	2 · Fully interchangeable
HW55397-6	15653	Howmet Global Fastening Systems Inc	3 · Design control (vendor)	2 · Fully interchangeable
BACN10HY6MX	97928	Huck Intl Inc	5 · Secondary reference	9 · Reference only
BACN10HY6MX	17446	Huck International, Inc	5 · Secondary reference	9 · Reference only

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 BACN10HY6MX.

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

DLA management data

FLIS unit price: $654.60
Unit of issue: HD
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 0.760
Lubrication: DRY FILM LUBRICANT
Overall Height: INCHES MINIMUM 0.383 AND INCHES MAXIMUM 0.403
Washer Thickness: INCHES MINIMUM 0.072 AND INCHES MAXIMUM 0.087
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: 24
Hardness Rating: ROCKWELL C MINIMUM 35.0 AND ROCKWELL C MAXIMUM 40.0
Nominal Thread Size: INCHES 0.375
Material: NUT STEEL COMP 8740
Material: WASHER STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1050
Material Document And Classification: WASHER ASSN STD ALL MATERIAL RESPONSES AISI
Material Document And Classification: NUT MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6049 OR ASSN STD SINGLE MATERIAL RESPONSE A-S6322
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 81205-BACN10HY6-X

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.