PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A28642O-Ring

Raytheon Company Dba Raytheon Co · NSN 5331-00-297-9990 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-297-9990 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-297-9990. Primary manufacturer part number: A28642.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 50 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon Co
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 5331-00-297-9990, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. 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
NSN5331-00-297-9990
Primary Part NumberA28642
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRaytheon Company Dba Raytheon Co
StatusCANCELLED
Outside Diameter1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN
Center Hole Diameter1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5342-00-007-6088 INTERCHANGEABLE
Connector
5331-00-042-8605ARP568-222MILG23652TYPE2 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5360-00-056-5543146-27 INTERCHANGEABLE
Spring,helical,extension
Keysight Technologies Inc
3040-00-081-9670 INTERCHANGEABLE
Shaft,straight
5905-00-116-1148 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-138-5170128543 INTERCHANGEABLE
Resistor,variable,wire Wound,non
L3harris Technologies, Inc Div Space & Airborne Systems
5331-00-186-276923216 INTERCHANGEABLE
O-Ring
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5136-00-189-3195 INTERCHANGEABLE
Die,thread Cutting
5331-00-242-663282-334 INTERCHANGEABLE
O-Ring
Marshall Excelsior Co
5331-00-248-5935 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
MS28775-222 Bae Systems Land & Armaments L.p. (USA)
N304-75-222 Parker-Hannifin Corp Div O-Ring Division (USA)
0619799 New Holland Construction (USA)
S8057A27 Honeywell International Inc. Div Aerospace - Torrance (USA)
619799 New Holland Construction (USA)
W 4072 610 AL Rheinmetall Air Defence Ag (CHE)
MS28775-222 Psa Peugeot-Citroen Espana, Sa (ESP)
D-0000-222-9501 Wartsila Lips Inc (USA)
ARP568-222MIL-P -5516-70DUR0 Zf Industrieantriebe Witten Gmbh (DEU)
000223EB Zf Industrieantriebe Witten Gmbh (DEU)
D301114 FIND NO 41 Control Flow, Inc. Dba Control Flow Inc (USA)
A28642 PRIMARY Raytheon Company Dba Raytheon Co (USA)
222-7117 Parker Hannifin Corporation Div O-Ring Division (USA)
ARP568-222 Zf Industrieantriebe Witten Gmbh (DEU)
X1363T27 Ingersoll Rand Co (USA)
MS28775-222 MIL -G-23652 TY 1 Zf Industrieantriebe Witten Gmbh (DEU)
345-27 Contitech Usa, Inc. (USA)
2-222 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
AMS-P-5315 Society of Automotive Engineers Inc (USA)
182MFB27 Linde Material Handling North America Corporation (USA)
Related Parts
5342-00-007-6088INTERCHANGEABLE
CONNECTOR
5331-00-042-8605INTERCHANGEABLE
O-RING
ARP568-222MILG23652TYPE2
5360-00-056-5543INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
146-27
3040-00-081-9670INTERCHANGEABLE
SHAFT,STRAIGHT
5905-00-116-1148INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-138-5170INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
128543
5331-00-186-2769INTERCHANGEABLE
O-RING
23216
5136-00-189-3195INTERCHANGEABLE
DIE,THREAD CUTTING
5331-00-242-6632INTERCHANGEABLE
O-RING
82-334
5331-00-248-5935INTERCHANGEABLE
O-RING
5331-00-250-1220INTERCHANGEABLE
O-RING
2-224N180-70
3030-00-264-3065INTERCHANGEABLE
BELT,V

Frequently Asked Questions

What is NSN 5331-00-297-9990?

NSN 5331-00-297-9990 is a O-Ring, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-297-9990?

NSN 5331-00-297-9990 has 50 cross-referenced part numbers: MS28775-222 (Bae Systems Land & Armaments L.p.), N304-75-222 (Parker-Hannifin Corp Div O-Ring Division), 0619799 (New Holland Construction), S8057A27 (Honeywell International Inc. Div Aerospace - Torrance), 619799 (New Holland Construction) and 45 more.

What NSN replaces 5331-00-297-9990?

There are 12 known substitutes for 5331-00-297-9990: 5342-00-007-6088, 5331-00-042-8605, 5360-00-056-5543 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A28642?

Key specifications for A28642: Outside Diameter: 1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN; Center Hole Diameter: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-297-9990 still in active supply?

NSN 5331-00-297-9990 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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