PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

287-9029P6O-Ring

Raytheon Company Div Corp · NSN 5331-00-263-8031 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-263-8031 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-263-8031. Primary manufacturer part number: 287-9029P6.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
  • Outside Diameter: 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
  • 50 verified cross-references
  • Primary manufacturer: Raytheon Company Div 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 5331-00-263-8031, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Div Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 37 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-263-8031
Primary Part Number287-9029P6
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRaytheon Company Div Corp
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Center Hole Diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
Outside Diameter0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-019-0632C6908 INTERCHANGEABLE
Packing,preformed
Hydro Line Mfg Co
3110-00-164-204617938 INTERCHANGEABLE
Ball,bearing
Moog Inc
5360-00-227-652117938 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1610-00-347-778778668 INTERCHANGEABLE
Plate,baffle,integral Oil Sump
Hamilton Sundstrand Corporation Dba Collins Aerospace
4530-00-470-7403F80PL10-56PH80DEG INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
Monarch Mfg Works Inc
5935-00-552-7701UG1003U INTERCHANGEABLE
Connector,plug,electrical
Joint Electronics Type Designation System
5961-00-557-8311MIS-13674/87-3 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5330-01-147-5234179308 INTERCHANGEABLE
Gasket
Cummins Inc.
5950-01-205-489817938 INTERCHANGEABLE
Transformer,power
Avo Intl
4320-01-314-4029 INTERCHANGEABLE
Pump,reciprocating
Cross-Reference Index
Part NumberManufacturer
725-70-08 Trostel Albert Packing Ltd (USA)
3010284 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
3-908 N602-70 Parker Hannifin Gmbh O-Ring Division (DEU)
287-9029P6 PRIMARY Raytheon Company Div Corp (USA)
2B-908SR8019-65 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
MS29512-08 Aero Stock (FRA)
908-C-69 Federal-Mogul Corp Chassis Products Div (USA)
7866-8 Parker Hannifin Corporation Div O-Ring Division (USA)
3-908N602-70 Zf Industrieantriebe Witten Gmbh (DEU)
SR-822A-60-8 Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX)
SAE-AS29512 Sae International Dba Sae International (USA)
MIL-P-5315/MS29 512 Zf Industrieantriebe Witten Gmbh (DEU)
3-908 N0602-70 Parker-Hannifin Corp Div O-Ring Division (USA)
F59C1005-4 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
908SB5 Zf Industrieantriebe Witten Gmbh (DEU)
SP0540-00-M-Z943 Hb Sealing Products Inc. Dba Hercules Sealing Products (USA)
MS29512-08 Society of Automotive Engineers Inc (USA)
89102-08 Solventum Purification Inc. Div Filtration and Separation Division (USA)
RT253-65-08 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
B-908SR8019-65 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
Related Parts
5330-00-019-0632INTERCHANGEABLE
PACKING,PREFORMED
C6908
3110-00-164-2046INTERCHANGEABLE
BALL,BEARING
17938
5360-00-227-6521INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
17938
1610-00-347-7787INTERCHANGEABLE
PLATE,BAFFLE,INTEGRAL OIL SUMP
78668
4530-00-470-7403INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
F80PL10-56PH80DEG
5935-00-552-7701INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UG1003U
5961-00-557-8311INTERCHANGEABLE
TRANSISTOR
MIS-13674/87-3
5330-01-147-5234INTERCHANGEABLE
GASKET
179308
5950-01-205-4898INTERCHANGEABLE
TRANSFORMER,POWER
17938
4320-01-314-4029INTERCHANGEABLE
PUMP,RECIPROCATING
3040-01-315-2642INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
17937
4130-01-459-9190INTERCHANGEABLE
VACU-DISCS

Frequently Asked Questions

What is NSN 5331-00-263-8031?

NSN 5331-00-263-8031 is a O-Ring, manufactured by Raytheon Company Div Corp, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-263-8031?

NSN 5331-00-263-8031 has 50 cross-referenced part numbers: 725-70-08 (Trostel Albert Packing Ltd), 3010284 (Embraer Empresa Brasileira De Aeronautica Sa), 3-908 N602-70 (Parker Hannifin Gmbh O-Ring Division), 287-9029P6 (Raytheon Company Div Corp), 2B-908SR8019-65 (Stillman Seal Corporation Div Stillman Seal Corperation) and 45 more.

What NSN replaces 5331-00-263-8031?

There are 12 known substitutes for 5331-00-263-8031: 5330-00-019-0632, 3110-00-164-2046, 5360-00-227-6521 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 287-9029P6?

Key specifications for 287-9029P6: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-263-8031 still in active supply?

NSN 5331-00-263-8031 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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