PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9091-1O-Ring

Eaton Corporation Div Eaton Fluid Power · NSN 5331-01-244-8964 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-244-8964 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-244-8964. Primary manufacturer part number: 9091-1.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 3 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Eaton Fluid Power
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 5331-01-244-8964, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-244-8964
Primary Part Number9091-1
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5826-00-676-1798 INTERCHANGEABLE
Lug,mounting
5331-01-078-4503 INTERCHANGEABLE
O-Ring
1005-01-436-9066 INTERCHANGEABLE
Plate,butt,shoulder Gun Stock
5331-01-445-3101MS28775-132 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
7310-01-499-669590911 INTERCHANGEABLE
Display Case,mechanically Refrig
Cospolich Inc.
6150-01-513-628390911-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
1005-01-556-224190911 INTERCHANGEABLE
Buttstock,subassembly
Sage International Ltd
Cross-Reference Index
Part NumberManufacturer
2CD818 Oshkosh Defense Llc (USA)
7-755-132000 Grove U.s. Llc Dba Grove Us Llc (USA)
9091-1 PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
5826-00-676-1798INTERCHANGEABLE
LUG,MOUNTING
5331-01-078-4503INTERCHANGEABLE
O-RING
1005-01-436-9066INTERCHANGEABLE
PLATE,BUTT,SHOULDER GUN STOCK
5331-01-445-3101INTERCHANGEABLE
O-RING
MS28775-132
7310-01-499-6695INTERCHANGEABLE
DISPLAY CASE,MECHANICALLY REFRIG
90911
6150-01-513-6283INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
90911-1
1005-01-556-2241INTERCHANGEABLE
BUTTSTOCK,SUBASSEMBLY
90911

Frequently Asked Questions

What is NSN 5331-01-244-8964?

NSN 5331-01-244-8964 is a O-Ring, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-244-8964?

NSN 5331-01-244-8964 has 3 cross-referenced part numbers: 2CD818 (Oshkosh Defense Llc), 7-755-132000 (Grove U.s. Llc Dba Grove Us Llc), 9091-1 (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 5331-01-244-8964?

There are 7 known substitutes for 5331-01-244-8964: 5826-00-676-1798, 5331-01-078-4503, 1005-01-436-9066 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9091-1?

Key specifications for 9091-1: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS). 2 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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