PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-126 V747-75O-Ring

Dolly Mfg Corp · NSN 5331-01-277-6593 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-277-6593 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-277-6593. Primary manufacturer part number: 2-126 V747-75.
Features
  • O-Ring — FSC 5331
  • Material Document and Classification: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
  • Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Color: BROWN
  • Reference Number Differentiating Characteristics: AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
  • Center Hole Diameter: 1.350 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Polymethylene-Perfluoroalkylene Class Fkm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-277-6593, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dolly Mfg Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-277-6593
Primary Part Number2-126 V747-75
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDolly Mfg Corp
StatusACTIVE
Material Document and ClassificationAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
MaterialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
ColorBROWN
Reference Number Differentiating CharacteristicsAS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
Center Hole Diameter1.350 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN
Temp Rating-5.0 CELSIUS AND 205.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-167-51142-126V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-208-0643AS3085-126 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-01-290-4184AS3085-126 INTERCHANGEABLE
Packing,preformed
Allison Transmission Inc Dba Allison Transmission, Inc
Cross-Reference Index
Part NumberManufacturer
2-126 V747-75 Dolly Mfg Corp (USA)
AS3085-126 Sae International Dba Sae International (USA)
AS3085-126 Society of Automotive Engineers Inc (USA)
2-126 V747-75 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-00-167-5114INTERCHANGEABLE
O-RING
2-126V0747-75
5331-01-208-0643INTERCHANGEABLE
O-RING
AS3085-126
5330-01-290-4184INTERCHANGEABLE
PACKING,PREFORMED
AS3085-126

Frequently Asked Questions

What is NSN 5331-01-277-6593?

NSN 5331-01-277-6593 is a O-Ring, manufactured by Dolly Mfg Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-277-6593?

NSN 5331-01-277-6593 has 4 cross-referenced part numbers: 2-126 V747-75 (Dolly Mfg Corp), AS3085-126 (Sae International Dba Sae International), AS3085-126 (Society of Automotive Engineers Inc), 2-126 V747-75 (Parker Hannifin Gmbh O-Ring Division).

What NSN replaces 5331-01-277-6593?

There are 3 known substitutes for 5331-01-277-6593: 5331-00-167-5114, 5331-01-208-0643, 5330-01-290-4184. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-126 V747-75?

Key specifications for 2-126 V747-75: Material Document and Classification: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 10 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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