PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44836O-Ring

Bourns Inc · NSN 5331-01-273-1537 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-273-1537 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-273-1537. Primary manufacturer part number: 44836.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Bourns Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-273-1537, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bourns Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCat Pumps Corp (CAGE 57783); Bourns Inc (CAGE 32997)
Technical Specifications
ParameterValue
NSN5331-01-273-1537
Primary Part Number44836
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBourns Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-554-3181218KC3 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5930-01-017-580943218 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5950-01-043-498311510182 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5120-01-306-4519 INTERCHANGEABLE
Wrench,open End Box
5830-01-329-1778HS 330 INTERCHANGEABLE
Intercommunication Station
HS Associates Corp
5331-01-365-64856418Z557 INTERCHANGEABLE
O-Ring
Ppm Cranes Inc
6240-01-622-9388561043 INTERCHANGEABLE
Lamp,light Emitting Diode
Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
2590-01-693-65754483-6 INTERCHANGEABLE
Cap,filler Opening
Wisco Products Inc
Cross-Reference Index
Part NumberManufacturer
44836 Cat Pumps Corp (USA)
43218 Cat Pumps Corp (USA)
44836 PRIMARY Bourns Inc (USA)
Related Parts
3110-00-554-3181INTERCHANGEABLE
BEARING,BALL,ANNULAR
218KC3
5930-01-017-5809INTERCHANGEABLE
SWITCH,FLOW
43218
5950-01-043-4983INTERCHANGEABLE
TRANSFORMER,POWER
11510182
5120-01-306-4519INTERCHANGEABLE
WRENCH,OPEN END BOX
5830-01-329-1778INTERCHANGEABLE
INTERCOMMUNICATION STATION
HS 330
5331-01-365-6485INTERCHANGEABLE
O-RING
6418Z557
6240-01-622-9388INTERCHANGEABLE
LAMP,LIGHT EMITTING DIODE
561043
2590-01-693-6575INTERCHANGEABLE
CAP,FILLER OPENING
4483-6

Frequently Asked Questions

What is NSN 5331-01-273-1537?

NSN 5331-01-273-1537 is a O-Ring, manufactured by Bourns Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-273-1537?

NSN 5331-01-273-1537 has 3 cross-referenced part numbers: 44836 (Cat Pumps Corp), 43218 (Cat Pumps Corp), 44836 (Bourns Inc).

What NSN replaces 5331-01-273-1537?

There are 8 known substitutes for 5331-01-273-1537: 3110-00-554-3181, 5930-01-017-5809, 5950-01-043-4983 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com