Home · FSC 5331 O-Ring · NSN 5331-01-052-3351

NSN 5331-01-052-3351 — O-Ring

NIIN 01-052-3351 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5331-01-052-3351 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 9 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Bae Systems Land & Armaments L.P.; the primary is 2533405-267. The unit of issue is EA and the FLIS list price is $6.91.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 3, 2026 for $457 from Blade Industrial Products Inc. 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 9 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
MS28775-267	81343	Society Of Automotive Engineers Inc	3 · Design control (vendor)	9 · Reference only
MS28775-267	0U583	Sae International	3 · Design control (vendor)	2 · Fully interchangeable
SAE-AS28775	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
2533405-267	44114	Bae Systems Land & Armaments L.P.	5 · Secondary reference	2 · Fully interchangeable
2533405-267	10001	Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier	5 · Secondary reference	2 · Fully interchangeable
MS28775-267	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
PRP568-267-4067-70	77308	Parco, LLC	5 · Secondary reference	2 · Fully interchangeable
5331PL0893125	9009H	Jednolity Indeks Materialowy - Uniform Material Index	6	9 · Reference only
AN6230-45	23667	Smiths Detection Inc.	C	1 · Not fully interchangeable
D4-377E001 ITEM	05991	Cameron Energy Services Corp.	C	1 · Not fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 3, 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 3, 2026	Blade Industrial Products Inc 1JYT1			$457	Dla	SPE7LX26D0002

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 2533405-267.

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

DLA management data

FLIS unit price: $6.91
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Shelf life code: Y
Effective: Oct 1, 2025

Item characteristics

Outside Diameter: INCHES NOMINAL 8.512
Cross-Sectional Height: INCHES MINIMUM 0.135 AND INCHES MAXIMUM 0.143
Center Hole Diameter: INCHES MINIMUM 8.204 AND INCHES MAXIMUM 8.264
Elongation Percentage: MAXIMUM 160
Hardness Rating: SHORE DUROMETER A NOMINAL 70.0
Material: RUBBER SYNTHETIC

Related stock numbers

Other NSNs filed under the same part numbers.

00-003-6690 · O-Ring
00-046-4601 · O-Ring
00-055-4976 · O-Ring
00-057-2028 · O-Ring
00-057-2029 · O-Ring
00-063-0919 · O-Ring
00-068-9528 · O-Ring
00-079-6496 · 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.