PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21860O-Ring

Tyco Fire Products Lp · NSN 5331-01-205-5624 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-205-5624 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-205-5624. Primary manufacturer part number: 21860.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-205-5624, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tyco Fire Products Lp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersTyco Fire Products Lp (CAGE 03670)
Technical Specifications
ParameterValue
NSN5331-01-205-5624
Primary Part Number21860
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2990-01-010-610621860 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5970-01-100-2035 INTERCHANGEABLE
Insulator,washer
5330-01-192-577921860 INTERCHANGEABLE
Packing,preformed
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4730-01-265-044721860 INTERCHANGEABLE
Manifold,hydraulic System Access
Mark Industries
Cross-Reference Index
Part NumberManufacturer
21860 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
2990-01-010-6106INTERCHANGEABLE
MUFFLER,EXHAUST
21860
5970-01-100-2035INTERCHANGEABLE
INSULATOR,WASHER
5330-01-192-5779INTERCHANGEABLE
PACKING,PREFORMED
21860
4730-01-265-0447INTERCHANGEABLE
MANIFOLD,HYDRAULIC SYSTEM ACCESS
21860

Frequently Asked Questions

What is NSN 5331-01-205-5624?

NSN 5331-01-205-5624 is a O-Ring, manufactured by Tyco Fire Products Lp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-205-5624?

NSN 5331-01-205-5624 has 1 cross-referenced part number: 21860 (Tyco Fire Products Lp).

What NSN replaces 5331-01-205-5624?

There are 4 known substitutes for 5331-01-205-5624: 2990-01-010-6106, 5970-01-100-2035, 5330-01-192-5779 and 1 more. Verify interchangeability with system specifications before substitution.

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