Home · FSC 5331 O-Ring · NSN 5331-01-065-7429

NSN 5331-01-065-7429 — O-Ring

NIIN 01-065-7429 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5331-01-065-7429 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 7 manufacturer part numbers from 7 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Calzoni S.R.L.; the primary is 2-345N674-70. The unit of issue is EA and the FLIS list price is $1.11.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 23, 2026 for $2,657 from H C Merchandisers, Inc.. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part numbers from 7 CAGEs

open solicitations, all agencies

government buy 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
AS568-345	81343	Society Of Automotive Engineers Inc	3 · Design control (vendor)	9 · Reference only
AS568-345	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
AS568-345MILG21569CL1	81343	Society Of Automotive Engineers Inc	5 · Secondary reference	9 · Reference only
D0551336	A0461	Calzoni S.R.L.	5 · Secondary reference	2 · Fully interchangeable
F-412 PART 6303	65700	Atkinson Guy F Co Willamette Iron And Steel Co Div	5 · Secondary reference	1 · Not fully interchangeable
MILG21569CL1	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	1 · Not fully interchangeable
2-345N674-70	02697	Parker-Hannifin Corp	C	1 · Not fully interchangeable
3140029	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 23, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 23, 2026	H C Merchandisers, Inc. 53037			$2,657	Dla	SPE7L126P9F69 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

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 2-345N674-70.

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

DLA management data

FLIS unit price: $1.11
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Shelf life code: Y
Effective: Oct 1, 2026

Item characteristics

Outside Diameter: INCHES NOMINAL 4.395
Temp Rating: FAHRENHEIT -40.0 AND FAHRENHEIT 250.0
Cross-Sectional Height: INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215
Center Hole Diameter: INCHES MINIMUM 3.960 AND INCHES MAXIMUM 3.990
Criticality Code Justification: ZZZY
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Test Data Document: SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE
Reference Number Differentiating Characteristics: CERTIFIED FREE FROM MERCURY CONTAMINATION

Related stock numbers

Other NSNs filed under the same part numbers.

01-497-7903 · O-Ring

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.