Home · FSC 5331 O-Ring · NSN 5331-01-005-0534

NSN 5331-01-005-0534 — O-Ring

NIIN 01-005-0534 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5331-01-005-0534 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 9 manufacturer part numbers from 6 CAGE codes, including Sae International, Society Of Automotive Engineers Inc, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M; the primary is 2-387. The unit of issue is EA and the FLIS list price is $16.02.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 29, 2026 for $1,661 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 6 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
AS3209-387	0U583	Sae International	3 · Design control (vendor)	2 · Fully interchangeable
SAE-AMS7276	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
AMS7276	81343	Society Of Automotive Engineers Inc	5 · Secondary reference	9 · Reference only
AMS7276	0U583	Sae International	5 · Secondary reference	9 · Reference only
AS3209-387	81343	Society Of Automotive Engineers Inc	5 · Secondary reference	9 · Reference only
M83248/1-387	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
MIL-R-83248/1	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
MS9388-387	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
2-387	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable
26C	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable
412-5220-0000	0N4U6	Dana Sac Usa Inc	C	1 · Not fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 29, 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 29, 2026	H C Merchandisers, Inc. 53037			$1,661	Dla	SPE7M226P4158 » 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 2-387.

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

DLA management data

FLIS unit price: $16.02
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Outside Diameter: INCHES NOMINAL 18.375
Temp Rating: FAHRENHEIT -20.0 AND FAHRENHEIT 400.0
Cross-Sectional Height: INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215
Center Hole Diameter: INCHES MINIMUM 17.870 AND INCHES MAXIMUM 18.040
Elongation Percentage: MAXIMUM 125
Hardness Rating: SHORE DUROMETER A NOMINAL 75.0
Material: RUBBER FLUOROCARBON CLASS FPM

Related stock numbers

Other NSNs filed under the same part numbers.

00-005-0482 · O-Ring
00-005-0483 · O-Ring
00-005-0799 · O-Ring
00-020-0067 · O-Ring
00-020-0105 · O-Ring
00-020-0186 · O-Ring
00-083-7400 · O-Ring
00-103-1506 · 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.