PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3803-28O-Ring

Hamilton Sundstrand Corporation · NSN 5331-00-157-6630 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-157-6630 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-157-6630. Primary manufacturer part number: 3803-28.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Sundstrand Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-157-6630, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHamilton Sundstrand Corporation (CAGE 99167)
Technical Specifications
ParameterValue
NSN5331-00-157-6630
Primary Part Number3803-28
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1650-00-004-9713425212 INTERCHANGEABLE
Angle Block,subassembly
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
3803-28 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
1650-00-004-9713INTERCHANGEABLE
ANGLE BLOCK,SUBASSEMBLY
425212

Frequently Asked Questions

What is NSN 5331-00-157-6630?

NSN 5331-00-157-6630 is a O-Ring, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-157-6630?

NSN 5331-00-157-6630 has 1 cross-referenced part number: 3803-28 (Hamilton Sundstrand Corporation).

What NSN replaces 5331-00-157-6630?

There is 1 known substitute for 5331-00-157-6630: 1650-00-004-9713. Verify interchangeability with system specifications before substitution.

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