PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

302O-Ring

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5331-00-641-8291 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-641-8291 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-641-8291. Primary manufacturer part number: 302.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.567 INCHES MINIMUM AND 2.577 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 13 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-641-8291, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 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
NSN5331-00-641-8291
Primary Part Number302
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusCANCELLED
Cross-Sectional Height0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Center Hole Diameter2.567 INCHES MINIMUM AND 2.577 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-113-3142MS20659-139 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5975-00-373-383411304 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Unison Industries Llc
5120-00-449-8084 INTERCHANGEABLE
Wrench,adjustable
5310-00-556-785425-178 INTERCHANGEABLE
Nut,plain,hexagon
Cnh Industrial America Llc Dba Cnh America
5930-00-583-295011-304 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
5950-00-645-9602 INTERCHANGEABLE
Reactor
5365-01-012-739325178 INTERCHANGEABLE
Shim
Williams International Co., L.l.c.
5365-01-122-065325178 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
9905-01-134-745225178 INTERCHANGEABLE
Plate,identification
Kurz & Root Generator Company, Llc
5130-01-216-177011304 INTERCHANGEABLE
Hammer,paving Breaker
S-B Power Tool Co
Cross-Reference Index
Part NumberManufacturer
4369444 Agco Corp Parts Opn (USA)
3025178-9 New Holland Construction (USA)
4369444 Barber-Greene Co (USA)
302 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
302 Sealcraft Corporation (USA)
11304 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
73522 Cnh Industrial America Llc Dba Cnh America (USA)
125-3944 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
25178 New Holland Construction (USA)
4369444 Minnpar, Llc Dba Minnpar (USA)
3025178 New Holland Construction (USA)
4369444-7 Agco Corp Parts Opn (USA)
DE69444 Agco Corp Parts Opn (USA)
Related Parts
5940-00-113-3142INTERCHANGEABLE
TERMINAL,LUG
MS20659-139
5975-00-373-3834INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
11304
5120-00-449-8084INTERCHANGEABLE
WRENCH,ADJUSTABLE
5310-00-556-7854INTERCHANGEABLE
NUT,PLAIN,HEXAGON
25-178
5930-00-583-2950INTERCHANGEABLE
SWITCH,SENSITIVE
11-304
5950-00-645-9602INTERCHANGEABLE
REACTOR
5365-01-012-7393INTERCHANGEABLE
SHIM
25178
5365-01-122-0653INTERCHANGEABLE
SHIM
25178
9905-01-134-7452INTERCHANGEABLE
PLATE,IDENTIFICATION
25178
5130-01-216-1770INTERCHANGEABLE
HAMMER,PAVING BREAKER
11304
4730-01-242-4507INTERCHANGEABLE
REDUCER,PIPE
11304
5130-01-276-9560INTERCHANGEABLE
ARM,STROKE SANDER

Frequently Asked Questions

What is NSN 5331-00-641-8291?

NSN 5331-00-641-8291 is a O-Ring, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-641-8291?

NSN 5331-00-641-8291 has 13 cross-referenced part numbers: 4369444 (Agco Corp Parts Opn), 3025178-9 (New Holland Construction), 4369444 (Barber-Greene Co), 302 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 302 (Sealcraft Corporation) and 8 more.

What NSN replaces 5331-00-641-8291?

There are 12 known substitutes for 5331-00-641-8291: 5940-00-113-3142, 5975-00-373-3834, 5120-00-449-8084 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 302?

Key specifications for 302: Cross-Sectional Height: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Center Hole Diameter: 2.567 INCHES MINIMUM AND 2.577 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-641-8291 still in active supply?

NSN 5331-00-641-8291 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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