Home · NSN 00-526-1248

NSN 00-526-1248 — Nut,Self-Locking,Extended Washer

NIIN 00-526-1248 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 00-526-1248 is the national stock number for a nut,self-locking,extended washer. It cross-references to 10 manufacturer part numbers from 9 CAGE codes, including The Boeing Company, Harvard Industries Inc, Sps Technologies, LLC; the primary is 109LH9031-4. The unit of issue is EA and the FLIS list price is $0.99.

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 9 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
BACN10HR4CS	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
109LH9031-4	72962	Harvard Industries Inc	5 · Secondary reference	9 · Reference only
67832AS428	56878	Sps Technologies, LLC	5 · Secondary reference	2 · Fully interchangeable
BHOO303-4CS	27238	Bristol Industries, LLC	5 · Secondary reference	2 · Fully interchangeable
BMN5024CPD3-4	97928	Huck Intl Inc	5 · Secondary reference	9 · Reference only
BMN5024CPF3-4	17446	Huck International, Inc	5 · Secondary reference	2 · Fully interchangeable
H39953-4	15653	Howmet Global Fastening Systems Inc	5 · Secondary reference	2 · Fully interchangeable
H50553-4	15653	Howmet Global Fastening Systems Inc	5 · Secondary reference	2 · Fully interchangeable
LD114-0016-0004	43999	The Boeing Company	5 · Secondary reference	9 · Reference only
SL7059C428	11815	Sps Technologies, LLC Dba Cherry Aerospace Div Div Cherry Aerospace	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 109LH9031-4.

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

DLA management data

FLIS unit price: $0.99
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 0.438
Lubrication: DRY FILM LUBRICANT
Overall Height: INCHES MAXIMUM 0.310
Washer Thickness: INCHES MINIMUM 0.020
Width Across Flats: INCHES MINIMUM 0.305 AND INCHES MAXIMUM 0.313
Temp Rating: FAHRENHEIT NOMINAL 900.0
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch: 28
Nominal Thread Size: INCHES 0.250
Material: OVERALL IRON ALLOY 660
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5737
Proprietary Characteristics: PACS
Specification/Standard Data: MANUFACTURERS STANDARD 81205-BACN10HR

Related stock numbers

Other NSNs filed under the same part numbers.

01-669-6858 · Nut,Self-Locking,Extended Washer

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.