Home · FSC 5331 O-Ring · NSN 5331-00-537-3940

NSN 5331-00-537-3940 — O-Ring

NIIN 00-537-3940 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5331-00-537-3940 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 17 manufacturer part numbers from 10 CAGE codes, including Sae International, Parker-Hannifin Corp, Society Of Automotive Engineers Inc; the primary is 2-249-77-545. The unit of issue is EA and the FLIS list price is $3.11.

The U.S. government has bought this item 2 times on record, 2 of them in the last 24 months, most recently on September 11, 2026 for $7,109 from Dbr Industries, 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.

17

part numbers from 10 CAGEs

0

open solicitations, all agencies

2

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 5331-00-537-3940: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
AS3209-2490U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AMS72760U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
2-249V0747-7502697Parker-Hannifin Corp5 · Secondary reference9 · Reference only
2-249V1164-7502697Parker-Hannifin Corp5 · Secondary reference9 · Reference only
2-249V1226-7502697Parker-Hannifin Corp5 · Secondary reference9 · Reference only
AS3209-24981343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS568-249MILR83248CLASS181343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
ASC1497819Z4779Asc Pty Ltd5 · Secondary reference9 · Reference only
M83248/1-24981349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MILR8324881349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
S9413-24999193Honeywell International Inc.5 · Secondary reference9 · Reference only
ST3001-24900198Pratt & Whitney Canada Corp5 · Secondary reference9 · Reference only
5331PL19391419009HJednolity Indeks Materialowy - Uniform Material Index69 · Reference only
2-249-77-545D9182Zf Industrieantriebe Witten GmbhC1 · Not fully interchangeable
231-27-1135D9182Zf Industrieantriebe Witten GmbhC1 · Not fully interchangeable
6V8260D9182Zf Industrieantriebe Witten GmbhC1 · Not fully interchangeable
700-249-35710941Carver Pump CompanyC1 · Not fully interchangeable
999-1205-B-01 REV B-IT 89,89A10941Carver Pump CompanyC1 · Not fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 11, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Sep 11, 2026Dbr Industries, Inc. 1K697$7,109DlaSPE7M126D61WQ
Sep 3, 2026Dbr Industries, Inc. 1K697$350,000DlaSPE7M126D61WQ » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 2 buys 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 2-249-77-545.

Request 2-249-77-545

No account needed. Goes to the sellers who carry this number or its family.

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

DLA management data

FLIS unit price
$3.11
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Outside Diameter
INCHES MINIMUM 5.094 AND INCHES MAXIMUM 5.180
Cross-Sectional Height
INCHES MINIMUM 0.135 AND INCHES MAXIMUM 0.143
Center Hole Diameter
INCHES MINIMUM 4.824 AND INCHES MAXIMUM 4.894
End Item Identification
LOGISTICS SUPPORT VESSEL
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.

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.

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