PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27767BO-Ring

Cat Pumps Corp · NSN 5331-01-360-5357 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-360-5357 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-360-5357. Primary manufacturer part number: 27767B.
Features
  • O-Ring — FSC 5331
  • 6 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 5331-01-360-5357, 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 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCat Pumps Corp (CAGE 57783); Slce Watermakers (CAGE F9758); Cat Pumps (uk) Ltd (CAGE U3374); Naval Group Site De Lorient (CAGE F3015)
Technical Specifications
ParameterValue
NSN5331-01-360-5357
Primary Part Number27767B
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCat Pumps Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4820-01-191-264627767 INTERCHANGEABLE
Bulb Casing,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5325-01-311-7039 INTERCHANGEABLE
Ring,retaining
5330-01-335-9467235091 INTERCHANGEABLE
Seal,plain Encased
R. H. Sheppard Co., Inc. Dba Sheppard
5905-01-399-549727-767 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ametek Programmable Power, Inc.
Cross-Reference Index
Part NumberManufacturer
27767B PRIMARY Cat Pumps Corp (USA)
710118-06 Slce Watermakers (FRA)
710118-51 Slce Watermakers (FRA)
27767 Cat Pumps (uk) Ltd (GBR)
RAQ0239 Naval Group Site De Lorient (FRA)
27767 PRIMARY Cat Pumps Corp (USA)
Related Parts
4820-01-191-2646INTERCHANGEABLE
BULB CASING,VALVE
27767
5325-01-311-7039INTERCHANGEABLE
RING,RETAINING
5330-01-335-9467INTERCHANGEABLE
SEAL,PLAIN ENCASED
235091
5905-01-399-5497INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
27-767

Frequently Asked Questions

What is NSN 5331-01-360-5357?

NSN 5331-01-360-5357 is a O-Ring, manufactured by Cat Pumps Corp, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-360-5357?

NSN 5331-01-360-5357 has 6 cross-referenced part numbers: 27767B (Cat Pumps Corp), 710118-06 (Slce Watermakers), 710118-51 (Slce Watermakers), 27767 (Cat Pumps (uk) Ltd), RAQ0239 (Naval Group Site De Lorient) and 1 more.

What NSN replaces 5331-01-360-5357?

There are 4 known substitutes for 5331-01-360-5357: 4820-01-191-2646, 5325-01-311-7039, 5330-01-335-9467 and 1 more. Verify interchangeability with system specifications before substitution.

Is NSN 5331-01-360-5357 still in active supply?

NSN 5331-01-360-5357 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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