PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44440O-Ring

Exlar Corporation · NSN 5331-01-633-4808 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-633-4808 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-633-4808. Primary manufacturer part number: 44440.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • 3 verified cross-references
  • Primary manufacturer: Exlar Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-633-4808, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Exlar Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-633-4808
Primary Part Number44440
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerExlar Corporation
StatusACTIVE
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-949-50022601210 INTERCHANGEABLE
Reactor
Naval Ship Systems Command
5365-01-194-0896 INTERCHANGEABLE
Spacer,ring
7520-01-445-72337520-01-445-7233 INTERCHANGEABLE
Pen,ball-Point
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
40200 Exlar Corporation (USA)
40200 ITEM 227 Exlar Corporation (USA)
44440 PRIMARY Exlar Corporation (USA)
Related Parts
5950-00-949-5002INTERCHANGEABLE
REACTOR
2601210
5365-01-194-0896INTERCHANGEABLE
SPACER,RING
7520-01-445-7233INTERCHANGEABLE
PEN,BALL-POINT
7520-01-445-7233

Frequently Asked Questions

What is NSN 5331-01-633-4808?

NSN 5331-01-633-4808 is a O-Ring, manufactured by Exlar Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-633-4808?

NSN 5331-01-633-4808 has 3 cross-referenced part numbers: 40200 (Exlar Corporation), 40200 ITEM 227 (Exlar Corporation), 44440 (Exlar Corporation).

What NSN replaces 5331-01-633-4808?

There are 3 known substitutes for 5331-01-633-4808: 5950-00-949-5002, 5365-01-194-0896, 7520-01-445-7233. Verify interchangeability with system specifications before substitution.

What are the specifications of 44440?

Key specifications for 44440: End Item Identification: ACTUATOR, JET BLAST DEFLECTOR; Part Name Assigned by Controlling Agency: O-RING,-269,VITON,75D; Material: RUBBER. 3 total characteristics are documented in the Federal Logistics Information System.

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