PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24629O-Ring

Kool Radiator Service Inc · NSN 5331-01-556-7973 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-556-7973 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-556-7973. Primary manufacturer part number: 24629.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Kool Radiator Service Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-556-7973, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Kool Radiator Service Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-556-7973
Primary Part Number24629
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerKool Radiator Service Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-259-834124629 INTERCHANGEABLE
Switch,toggle
Naval Ship Systems Command
4820-00-404-662524629 INTERCHANGEABLE
Body,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5945-01-269-108124629 INTERCHANGEABLE
Relay,electromagnetic
Ward Leonard Ct Llc
5340-01-280-7950 INTERCHANGEABLE
Seat,helical Compression Spring
5315-01-461-217024629 INTERCHANGEABLE
Pin,straight,headed
Parker Hannifin Corporation Div Hydraulic Systems Division
6515-01-599-4241100320 INTERCHANGEABLE
Nail,bone
Sign Fracture Care International Dba Sign
Cross-Reference Index
Part NumberManufacturer
24629 PRIMARY Kool Radiator Service Inc (USA)
24629 Red Dot Corporation Dba Red Dot Corp (USA)
Related Parts
5930-00-259-8341INTERCHANGEABLE
SWITCH,TOGGLE
24629
4820-00-404-6625INTERCHANGEABLE
BODY,VALVE
24629
5945-01-269-1081INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
24629
5340-01-280-7950INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
5315-01-461-2170INTERCHANGEABLE
PIN,STRAIGHT,HEADED
24629
6515-01-599-4241INTERCHANGEABLE
NAIL,BONE
100320

Frequently Asked Questions

What is NSN 5331-01-556-7973?

NSN 5331-01-556-7973 is a O-Ring, manufactured by Kool Radiator Service Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-556-7973?

NSN 5331-01-556-7973 has 2 cross-referenced part numbers: 24629 (Kool Radiator Service Inc), 24629 (Red Dot Corporation Dba Red Dot Corp).

What NSN replaces 5331-01-556-7973?

There are 6 known substitutes for 5331-01-556-7973: 5930-00-259-8341, 4820-00-404-6625, 5945-01-269-1081 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24629?

Key specifications for 24629: End Item Identification: 3805-01-542-0473, EXCAVATOR,MULTIPURPOSE,CRAWLER MOUNTED. 1 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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