PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12728O-Ring

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 5331-01-507-2447 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-507-2447 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-507-2447. Primary manufacturer part number: 12728.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-507-2447, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5331-01-507-2447
Primary Part Number12728
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6130-00-545-8975 INTERCHANGEABLE
Rectifier,metallic
5950-00-626-4141A-9100-2797-1 INTERCHANGEABLE
Reactor
Keysight Technologies Inc
5340-01-579-8516 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
12728 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
12728 Itw Gse Inc. (USA)
Related Parts
6130-00-545-8975INTERCHANGEABLE
RECTIFIER,METALLIC
5950-00-626-4141INTERCHANGEABLE
REACTOR
A-9100-2797-1
5340-01-579-8516INTERCHANGEABLE
BRACKET,MOUNTING

Frequently Asked Questions

What is NSN 5331-01-507-2447?

NSN 5331-01-507-2447 is a O-Ring, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-507-2447?

NSN 5331-01-507-2447 has 2 cross-referenced part numbers: 12728 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 12728 (Itw Gse Inc.).

What NSN replaces 5331-01-507-2447?

There are 3 known substitutes for 5331-01-507-2447: 6130-00-545-8975, 5950-00-626-4141, 5340-01-579-8516. Verify interchangeability with system specifications before substitution.

What are the specifications of 12728?

Key specifications for 12728: End Item Identification: F/A-22 RAPTOR; Part Name Assigned by Controlling Agency: O-RING. 2 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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