PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

161002O-Ring

Hammonds Technical Services, Inc. · NSN 5331-01-395-7866 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-395-7866 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-395-7866. Primary manufacturer part number: 161002.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Hammonds Technical Services, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-395-7866, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hammonds Technical Services, Inc.. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHammonds Technical Services, Inc. (CAGE 47186)
Technical Specifications
ParameterValue
NSN5331-01-395-7866
Primary Part Number161002
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHammonds Technical Services, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5840-01-135-6410 INTERCHANGEABLE
Amplifier,traveling
6130-01-261-9099161002 INTERCHANGEABLE
Power Supply
Northrop Grumman Systems Corporation
5310-01-390-5871 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
161002 PRIMARY Hammonds Technical Services, Inc. (USA)
Related Parts
5840-01-135-6410INTERCHANGEABLE
AMPLIFIER,TRAVELING
6130-01-261-9099INTERCHANGEABLE
POWER SUPPLY
161002
5310-01-390-5871INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5331-01-395-7866?

NSN 5331-01-395-7866 is a O-Ring, manufactured by Hammonds Technical Services, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-395-7866?

NSN 5331-01-395-7866 has 1 cross-referenced part number: 161002 (Hammonds Technical Services, Inc.).

What NSN replaces 5331-01-395-7866?

There are 3 known substitutes for 5331-01-395-7866: 5840-01-135-6410, 6130-01-261-9099, 5310-01-390-5871. Verify interchangeability with system specifications before substitution.

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