Home · NSN 01-531-2657

NSN 01-531-2657 — Washer,Flat

NIIN 01-531-2657 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-531-2657 is the national stock number for a washer,flat. It cross-references to 1 manufacturer part number from 2 CAGE codes, including The Boeing Company, National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use; the primary is NAS1149C0816. The unit of issue is EA and the FLIS list price is $0.60.

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 number 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
NAS1149C0816	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
NAS1149C0816	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	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 NAS1149C0816.

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

DLA management data

FLIS unit price: $0.60
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Hole Diameter: INCHES MINIMUM 0.505 AND INCHES MAXIMUM 0.525
Overall Diameter: INCHES MINIMUM 0.870 AND INCHES MAXIMUM 0.895
End Item Identification: AN/AQS SONAR, HCU/60A CRADLE
Part Name Assigned By Controlling Agency: NAVY SPECIAL PROJECT
Material: OVERALL STEEL CORROSION RESISTING
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE -IL-S-5059
Surface Treatment: OVERALL OXIDE OR PASSIVATE
Surface Treatment Document And Classification: OVERALL ASSN STD SINGLE TREATMENT RESPONSE -IL-C-13924 OR ASSN STD SINGLE TREATMENT RESPONSE QQ--35

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.