PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-6915566-2.1 3O-Ring

Zf Industrieantriebe Witten Gmbh · NSN 5331-00-448-6753 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-448-6753 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-448-6753. Primary manufacturer part number: 803-6915566-2.1 3.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Temp Rating: 275.0 FAHRENHEIT DEGF
  • Outside Diameter: 0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • 28 verified cross-references
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 5331-00-448-6753, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 20 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
NSN5331-00-448-6753
Primary Part Number803-6915566-2.1 3
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
Cross-Sectional Height0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating275.0 FAHRENHEIT DEGF
Outside Diameter0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
Center Hole Diameter0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-020-00676V-4589 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
5331-00-079-0216 INTERCHANGEABLE
O-Ring
5331-00-108-5691MS28778-10 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-167-5174M83248/2-910 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-584-014927084 INTERCHANGEABLE
O-Ring
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5331-00-844-1848 INTERCHANGEABLE
O-Ring
5331-00-918-9499MS28775-910 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-931-6748 INTERCHANGEABLE
O-Ring
5331-01-102-83933910N304-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5331-01-198-5490AS568-910 ASTM 2000 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
803-6915566-2.1 3 Zf Industrieantriebe Witten Gmbh (DEU)
9672M09P10 General Electric Company (USA)
MS28775-910 Society of Automotive Engineers Inc (USA)
D1811 ITEM 37 Morpac Industries, Inc Div Actuator (USA)
2470900A10 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
74022PC51 American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA)
3-910N304-7 Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
3-910N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
3-910-N304-75 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
AS568-910 Sae International Dba Sae International (USA)
3-910N304-7 Parker-Hannifin Corp Div O-Ring Division (USA)
MS28775-910 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1KK531 Oshkosh Defense Llc (USA)
PC49648-2 Supreme Integrated Technology, Inc. Dba C.s. Controls (USA)
5331PL1257910 Jednolity Indeks Materialowy - Uniform Material Index (POL)
F-NGC-0-99-025 ITEM 33 Carver Pump Company (USA)
AS568-910 Society of Automotive Engineers Inc (USA)
AS558-910MIL-G- 21569 CLASS 1 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-910MILG21569CL Society of Automotive Engineers Inc (USA)
N-999-64GH-A-001 REV A ITEM 27 Carver Pump Company (USA)
Related Parts
5331-00-020-0067INTERCHANGEABLE
O-RING
6V-4589
5331-00-079-0216INTERCHANGEABLE
O-RING
5331-00-108-5691INTERCHANGEABLE
O-RING
MS28778-10
5331-00-167-5174INTERCHANGEABLE
O-RING
M83248/2-910
5331-00-584-0149INTERCHANGEABLE
O-RING
27084
5331-00-844-1848INTERCHANGEABLE
O-RING
5331-00-918-9499INTERCHANGEABLE
O-RING
MS28775-910
5331-00-931-6748INTERCHANGEABLE
O-RING
5331-01-102-8393INTERCHANGEABLE
O-RING
3910N304-75
5331-01-198-5490INTERCHANGEABLE
O-RING
AS568-910 ASTM 2000
5331-01-306-9602INTERCHANGEABLE
O-RING
5331-01-363-4890INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-448-6753?

NSN 5331-00-448-6753 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-448-6753?

NSN 5331-00-448-6753 has 28 cross-referenced part numbers: 803-6915566-2.1 3 (Zf Industrieantriebe Witten Gmbh), 9672M09P10 (General Electric Company), MS28775-910 (Society of Automotive Engineers Inc), D1811 ITEM 37 (Morpac Industries, Inc Div Actuator), 2470900A10 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 23 more.

What NSN replaces 5331-00-448-6753?

There are 12 known substitutes for 5331-00-448-6753: 5331-00-020-0067, 5331-00-079-0216, 5331-00-108-5691 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-6915566-2.1 3?

Key specifications for 803-6915566-2.1 3: Cross-Sectional Height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: 275.0 FAHRENHEIT DEGF. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-448-6753 still in active supply?

NSN 5331-00-448-6753 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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