PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-237N674-70O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-01-077-6834 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-077-6834 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-077-6834. Primary manufacturer part number: 2-237N674-70.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 8 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 5331-01-077-6834, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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
NSN5331-01-077-6834
Primary Part Number2-237N674-70
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusCANCELLED
Center Hole Diameter3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-156-508310408 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4320-00-195-842210408 INTERCHANGEABLE
Ring,wearing
Rps-Fl, Inc. Dba Rps Inc
5950-00-435-769811069515 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Aviation and Missile Command
5310-00-550-3715MS35333-70 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5977-00-897-597910408 INTERCHANGEABLE
Brush,electrical Contact
Miraj Corp
5999-01-013-779901-0101-0408 INTERCHANGEABLE
Wire Mesh,knitted
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5310-01-162-2514 INTERCHANGEABLE
Nut,plain,hexagon
5120-01-189-7295 INTERCHANGEABLE
Socket,socket Wrench
4910-01-382-206510408 INTERCHANGEABLE
Jack,dolly Type,hydraulic
Jordan Equipment Supply Corporation Dba Esco Equipment Supply Co
5310-01-422-82016350994 ITEM 20 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
16760DA ITEM 12 Emerson Process Management Valve Automation, Inc. (USA)
2-237/N674-70 Zf Industrieantriebe Witten Gmbh (DEU)
4045223714 Emerson Process Management Valve Automation, Inc. (USA)
2-237N674-70 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
938284607U01 Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA)
4045223717 Emerson Process Management Valve Automation, Inc. (USA)
10-408 Konrad Marine Inc Div Konrad Marine (USA)
30-003C-A IT 22 Konrad Marine Inc Div Konrad Marine (USA)
Related Parts
3110-00-156-5083INTERCHANGEABLE
BEARING,BALL,ANNULAR
10408
4320-00-195-8422INTERCHANGEABLE
RING,WEARING
10408
5950-00-435-7698INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
11069515
5310-00-550-3715INTERCHANGEABLE
WASHER,LOCK
MS35333-70
5977-00-897-5979INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
10408
5999-01-013-7799INTERCHANGEABLE
WIRE MESH,KNITTED
01-0101-0408
5310-01-162-2514INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5120-01-189-7295INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4910-01-382-2065INTERCHANGEABLE
JACK,DOLLY TYPE,HYDRAULIC
10408
5310-01-422-8201INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6350994 ITEM 20
6545-01-572-1829INTERCHANGEABLE
MEDICAL EQUIPMENT SET BRIGADE-HO
UA 1388
5640-01-694-0660INTERCHANGEABLE
INSULATION TAPE,THERMAL
10408

Frequently Asked Questions

What is NSN 5331-01-077-6834?

NSN 5331-01-077-6834 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-077-6834?

NSN 5331-01-077-6834 has 8 cross-referenced part numbers: 16760DA ITEM 12 (Emerson Process Management Valve Automation, Inc.), 2-237/N674-70 (Zf Industrieantriebe Witten Gmbh), 4045223714 (Emerson Process Management Valve Automation, Inc.), 2-237N674-70 (Parker-Hannifin Corp Div O-Ring Division), 938284607U01 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am) and 3 more.

What NSN replaces 5331-01-077-6834?

There are 12 known substitutes for 5331-01-077-6834: 3110-00-156-5083, 4320-00-195-8422, 5950-00-435-7698 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-237N674-70?

Key specifications for 2-237N674-70: Center Hole Diameter: 3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-077-6834 still in active supply?

NSN 5331-01-077-6834 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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