PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

11338O-Ring

Name: 11338
SKU: 5331-01-299-7326

Cat Pumps Corp · NSN 5331-01-299-7326 · FSC 5331 · O-Ring

Verified by PartsTable

NSN 5331-01-299-7326 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-299-7326. Primary manufacturer part number: 11338.

5331-01-299-7326 — O-Ring illustration

Features

O-Ring — FSC 5331
9 verified cross-references
Primary manufacturer: Cat Pumps Corp

Applications

Fluid containment and leak prevention
Pressure boundary maintenance
Environmental sealing

General Description

The O-Ring, cataloged under National Stock Number 5331-01-299-7326, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cat Pumps Corp. This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-Ring (FSG 53)
Manufacturers	Cat Pumps Corp (CAGE 57783); Cat Pumps (uk) Ltd (CAGE U3374); Zf Industrieantriebe Witten Gmbh (CAGE D9182); Slce Watermakers (CAGE F9758); Bourns Inc (CAGE 32997)

Technical Specifications

Parameter	Value
NSN	5331-01-299-7326
Primary Part Number	11338
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-Ring
Manufacturer	Cat Pumps Corp
Status	CANCELLED

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 6

5998-00-040-908211338 INTERCHANGEABLE

Electronic Components Assembly

Astec America Inc.

4210-00-518-361911338 INTERCHANGEABLE

Nozzle,fire Equipment

Tyco Fire Products Lp

5331-00-641-4350 INTERCHANGEABLE

O-Ring

5305-00-685-3518 INTERCHANGEABLE

Screw,machine

6515-01-446-3988312.30 INTERCHANGEABLE

Sleeve,drill,bone Fixation

Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma

2935-01-495-7144 INTERCHANGEABLE

Radiator,engine Coolant

Cross-Reference Index

Part Number	Manufacturer
11338 PRIMARY	Cat Pumps Corp (USA)
11338B PRIMARY	Cat Pumps Corp (USA)
3537 MOD ITEM 11	Cat Pumps Corp (USA)
11338	Cat Pumps (uk) Ltd (GBR)
3537.MOD ITEM 11	Cat Pumps (uk) Ltd (GBR)
11338	Zf Industrieantriebe Witten Gmbh (DEU)
710118-38	Slce Watermakers (FRA)
710118-08	Slce Watermakers (FRA)
11338 PRIMARY	Bourns Inc (USA)

Related Parts

5998-00-040-9082INTERCHANGEABLE

ELECTRONIC COMPONENTS ASSEMBLY

11338

4210-00-518-3619INTERCHANGEABLE

NOZZLE,FIRE EQUIPMENT

11338

5331-00-641-4350INTERCHANGEABLE

O-RING

5305-00-685-3518INTERCHANGEABLE

SCREW,MACHINE

6515-01-446-3988INTERCHANGEABLE

SLEEVE,DRILL,BONE FIXATION

312.30

2935-01-495-7144INTERCHANGEABLE

RADIATOR,ENGINE COOLANT

Frequently Asked Questions

What is NSN 5331-01-299-7326?

NSN 5331-01-299-7326 is a O-Ring, manufactured by Cat Pumps Corp, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-299-7326?

NSN 5331-01-299-7326 has 9 cross-referenced part numbers: 11338 (Cat Pumps Corp), 11338B (Cat Pumps Corp), 3537 MOD ITEM 11 (Cat Pumps Corp), 11338 (Cat Pumps (uk) Ltd), 3537.MOD ITEM 11 (Cat Pumps (uk) Ltd) and 4 more.

What NSN replaces 5331-01-299-7326?

There are 6 known substitutes for 5331-01-299-7326: 5998-00-040-9082, 4210-00-518-3619, 5331-00-641-4350 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 5331-01-299-7326 still in active supply?

NSN 5331-01-299-7326 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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