PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

106751O-Ring

Flowserve Us Company Div Flow Control Division · NSN 5331-01-525-4347 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-525-4347 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-525-4347. Primary manufacturer part number: 106751.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 5.750 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.700 INCHES NOMINAL IN
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • 1 verified cross-reference
  • Primary manufacturer: Flowserve Us Company Div Flow Control Division
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 5331-01-525-4347, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Us Company Div Flow Control Division. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-525-4347
Primary Part Number106751
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFlowserve Us Company Div Flow Control Division
StatusACTIVE
Center Hole Diameter5.750 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.700 INCHES NOMINAL IN
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-012-4548106751 INTERCHANGEABLE
Key,woodruff
Dressta North America Ltd
2810-00-118-8970106751 INTERCHANGEABLE
Guide,engine Poppet Valve Tappet
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5315-00-616-5522MS35756-12 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-00-857-2737288251N INTERCHANGEABLE
Valve,linear,directional Control
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5355-01-065-9289 INTERCHANGEABLE
Knob
5315-01-304-91738928543 INTERCHANGEABLE
Key Special
Rolls-Royce Solutions America Inc
1650-01-413-7471106751 INTERCHANGEABLE
Accumulator,pneumatic
Aiw-Alton Inc
5315-01-682-4195106751 INTERCHANGEABLE
Key,machine
Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
Cross-Reference Index
Part NumberManufacturer
106751 PRIMARY Flowserve Us Company Div Flow Control Division (USA)
Related Parts
5315-00-012-4548INTERCHANGEABLE
KEY,WOODRUFF
106751
2810-00-118-8970INTERCHANGEABLE
GUIDE,ENGINE POPPET VALVE TAPPET
106751
5315-00-616-5522INTERCHANGEABLE
KEY,WOODRUFF
MS35756-12
4820-00-857-2737INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
288251N
5355-01-065-9289INTERCHANGEABLE
KNOB
5315-01-304-9173INTERCHANGEABLE
KEY SPECIAL
8928543
1650-01-413-7471INTERCHANGEABLE
ACCUMULATOR,PNEUMATIC
106751
5315-01-682-4195INTERCHANGEABLE
KEY,MACHINE
106751

Frequently Asked Questions

What is NSN 5331-01-525-4347?

NSN 5331-01-525-4347 is a O-Ring, manufactured by Flowserve Us Company Div Flow Control Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-525-4347?

NSN 5331-01-525-4347 has 1 cross-referenced part number: 106751 (Flowserve Us Company Div Flow Control Division).

What NSN replaces 5331-01-525-4347?

There are 8 known substitutes for 5331-01-525-4347: 5315-00-012-4548, 2810-00-118-8970, 5315-00-616-5522 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 106751?

Key specifications for 106751: Center Hole Diameter: 5.750 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.700 INCHES NOMINAL IN; Special Features: TEMPERATURE RANGE IS -30 TO +250 DEGREES F. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com