Home · NSN 01-337-9966

NSN 01-337-9966 — Ring,Retaining

NIIN 01-337-9966 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-337-9966 is the national stock number for a ring,retaining. It cross-references to 2 manufacturer part numbers from 1 CAGE code, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M; the primary is M27426-3171 D. The unit of issue is EA and the FLIS list price is $4.59.

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 1 CAGE

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
M2742630171D	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
M27426-3171 D	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	1 · Not 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 M27426-3171 D.

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

DLA management data

FLIS unit price: $4.59
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Inside Diameter: INCHES MINIMUM 2.737 AND INCHES MAXIMUM 2.762
Casehardening Indicator: NOT CASE-HARDENED
Outside Diameter: INCHES MINIMUM 3.073 AND INCHES MAXIMUM 3.098
Major Thickness: INCHES MINIMUM 0.046 AND INCHES MAXIMUM 0.052
Usage Design: INTERNAL
Material: STEEL COMP 302
Material Document And Classification: ASSN STD 1ST MATERIAL RESPONSE SAE 302 AND MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5059, TYE 302 AND ASSN STD 3RD MATERIAL RESPONSE A-S 5688 AND FED SPEC 4TH MATERIAL RESPONSE QQ-S-766, CLASS 302
Surface Treatment: PASSIVATE
Specification/Standard Data: GOVERNMENT SPECIFICATION 81349--27426-3171D

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.