Home · NSN 01-212-2258

NSN 01-212-2258 — Ring,Retaining

NIIN 01-212-2258 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-212-2258 is the national stock number for a ring,retaining. It cross-references to 3 manufacturer part numbers from 3 CAGE codes, including Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, The American Society Of Mechanical Engineers, Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan; the primary is 7915454-00. The unit of issue is EA and the FLIS list price is $1.14.

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 3 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
MS16628-5018	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
R273NAA0018NN643NNAA1	05047	The American Society Of Mechanical Engineers	5 · Secondary reference	9 · Reference only
7915454-00	90536	Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan	C	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 7915454-00.

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

DLA management data

FLIS unit price: $1.14
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Inside Diameter: INCHES MINIMUM 0.164 AND INCHES MAXIMUM 0.170
Casehardening Indicator: NOT CASE-HARDENED
Major Thickness: INCHES MINIMUM 0.013 AND INCHES MAXIMUM 0.017
Usage Design: EXTERNAL
Material Hardness Rating: ROCKWELL SUPERFICIAL 15-N MINIMUM 77.0 AND ROCKWELL SUPERFICIAL 15-N MAXIMUM 82.0
Strength Rating: POUNDS PER SQUARE INCH (PSI) MINIMUM TENSILE 200000.0
End Play Takeup: INCHES MINIMUM 0.017 AND INCHES MAXIMUM 0.025
Material: COPPER ALLOY 170 OR COPPER ALLOY 172
Material Document And Classification: FED SPEC SINGLE MATERIAL RESPONSE QQ-C-533

Related stock numbers

Other NSNs filed under the same part numbers.

00-568-2596 · Ring,Retaining

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.