PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS4629-38O-Ring

Lockheed Martin Corp · NSN 5331-01-050-5024 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-050-5024 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-050-5024. Primary manufacturer part number: LS4629-38.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
  • Outside Diameter: 6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN
  • 33 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-050-5024, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-050-5024
Primary Part NumberLS4629-38
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLockheed Martin Corp
StatusCANCELLED
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
Outside Diameter6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5315-00-054-3038 INTERCHANGEABLE
Key,machine
5331-00-405-07982533405-260 INTERCHANGEABLE
O-Ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-595-6669 INTERCHANGEABLE
Packing,preformed
2530-00-737-72603663159 INTERCHANGEABLE
Arm
General Motors Llc Dba General Motors Llc
5331-01-515-03196F-4718 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
AS568-260 Society of Automotive Engineers Inc (USA)
AS568-260-36624 Eriks B.v. (NLD)
2-260 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
7377-260 Parker Hannifin Corporation Div O-Ring Division (USA)
LS4629-38 PRIMARY Lockheed Martin Corp (USA)
871260 Zf Industrieantriebe Witten Gmbh (DEU)
4067-70-260 Parco, Llc (USA)
MS28775-260 Society of Automotive Engineers Inc (USA)
ARP568-260MILP2 5732 Zf Industrieantriebe Witten Gmbh (DEU)
PRP568-260 Zf Industrieantriebe Witten Gmbh (DEU)
1446-260 Parker-Hannifin Corporation Div O-Ring Division (USA)
SAE-AS28775 Sae International Dba Sae International (USA)
AS568-260MIL-P- 5516 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-260 Sae International Dba Sae International (USA)
5331PL0897411 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SR 832-75-260 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
47-0260-00 Zf Industrieantriebe Witten Gmbh (DEU)
AN-6230-38 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-260 PRIMARY Sae International Dba Sae International (USA)
ARP568-260MILP5 516-70DUR0 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5315-00-054-3038INTERCHANGEABLE
KEY,MACHINE
5331-00-405-0798INTERCHANGEABLE
O-RING
2533405-260
5330-00-595-6669INTERCHANGEABLE
PACKING,PREFORMED
2530-00-737-7260INTERCHANGEABLE
ARM
3663159
5331-01-515-0319INTERCHANGEABLE
O-RING
6F-4718

Frequently Asked Questions

What is NSN 5331-01-050-5024?

NSN 5331-01-050-5024 is a O-Ring, manufactured by Lockheed Martin Corp, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-050-5024?

NSN 5331-01-050-5024 has 33 cross-referenced part numbers: AS568-260 (Society of Automotive Engineers Inc), AS568-260-36624 (Eriks B.v.), 2-260 N304-75 (Parker Hannifin Gmbh O-Ring Division), 7377-260 (Parker Hannifin Corporation Div O-Ring Division), LS4629-38 (Lockheed Martin Corp) and 28 more.

What NSN replaces 5331-01-050-5024?

There are 5 known substitutes for 5331-01-050-5024: 5315-00-054-3038, 5331-00-405-0798, 5330-00-595-6669 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS4629-38?

Key specifications for LS4629-38: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN; Outside Diameter: 6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-050-5024 still in active supply?

NSN 5331-01-050-5024 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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