PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103409O-Ring

Hammonds Technical Services, Inc. · NSN 5331-01-543-7984 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-543-7984 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-543-7984. Primary manufacturer part number: 103409.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • 1 verified cross-reference
  • Primary manufacturer: Hammonds Technical Services, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-543-7984, 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.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5331-01-543-7984
Primary Part Number103409
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHammonds Technical Services, Inc.
StatusACTIVE
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-118-4249103409 INTERCHANGEABLE
Standoff,threaded,spacing
Astronautics Corporation of America
5315-00-234-1664MS24665-495 INTERCHANGEABLE
Pin,cotter
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2530-00-375-0965L16VC79 INTERCHANGEABLE
Boot,vehicular Components
Eaton Corp Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
103409 PRIMARY Hammonds Technical Services, Inc. (USA)
Related Parts
5340-00-118-4249INTERCHANGEABLE
STANDOFF,THREADED,SPACING
103409
5315-00-234-1664INTERCHANGEABLE
PIN,COTTER
MS24665-495
2530-00-375-0965INTERCHANGEABLE
BOOT,VEHICULAR COMPONENTS
L16VC79

Frequently Asked Questions

What is NSN 5331-01-543-7984?

NSN 5331-01-543-7984 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 5331-01-543-7984?

NSN 5331-01-543-7984 has 1 cross-referenced part number: 103409 (Hammonds Technical Services, Inc.).

What NSN replaces 5331-01-543-7984?

There are 3 known substitutes for 5331-01-543-7984: 5340-00-118-4249, 5315-00-234-1664, 2530-00-375-0965. Verify interchangeability with system specifications before substitution.

What are the specifications of 103409?

Key specifications for 103409: Material: RUBBER SYNTHETIC; Part Name Assigned by Controlling Agency: O-RING, VITON; End Item Identification: MODEL 800ER DRIVER (ALUM) ON 4930-01-517-7009; FUEL SYSTEM, SUPPLY POINT. 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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