PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-437C1124-70O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-00-275-3472 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-275-3472 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-275-3472. Primary manufacturer part number: 2-437C1124-70.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 6.476 INCHES MINIMUM AND 6.574 INCHES MAXIMUM IN
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Center Hole Diameter: 5.938 INCHES MINIMUM AND 6.012 INCHES MAXIMUM IN
  • Temp Rating: -60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • 6 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-275-3472, 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 6 commercial cross-references from 3 manufacturers, 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
NSN5331-00-275-3472
Primary Part Number2-437C1124-70
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Outside Diameter6.476 INCHES MINIMUM AND 6.574 INCHES MAXIMUM IN
MaterialRUBBER CHLOROPRENE CLASS CR
Center Hole Diameter5.938 INCHES MINIMUM AND 6.012 INCHES MAXIMUM IN
Temp Rating-60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-026-2578MS9386-227 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-065-49293042933R1 INTERCHANGEABLE
O-Ring
Dressta North America Ltd
5331-00-111-7811 INTERCHANGEABLE
O-Ring
5331-00-112-1364 INTERCHANGEABLE
O-Ring
5331-00-127-7444MS9386-042 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-274-7837MS9386-228 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-548-7909745056 INTERCHANGEABLE
O-Ring
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5331-01-234-6374MS9386-160 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AMS7267 Society of Automotive Engineers Inc (USA)
AS568-437 Sae International Dba Sae International (USA)
AS568-437 Society of Automotive Engineers Inc (USA)
2-437C147-7 Parker-Hannifin Corp Div O-Ring Division (USA)
2-437C1124-70 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
AMS7267 Sae International Dba Sae International (USA)
Related Parts
5331-00-026-2578INTERCHANGEABLE
O-RING
MS9386-227
5331-00-065-4929INTERCHANGEABLE
O-RING
3042933R1
5331-00-111-7811INTERCHANGEABLE
O-RING
5331-00-112-1364INTERCHANGEABLE
O-RING
5331-00-127-7444INTERCHANGEABLE
O-RING
MS9386-042
5331-00-274-7837INTERCHANGEABLE
O-RING
MS9386-228
5331-00-548-7909INTERCHANGEABLE
O-RING
745056
5331-01-234-6374INTERCHANGEABLE
O-RING
MS9386-160

Frequently Asked Questions

What is NSN 5331-00-275-3472?

NSN 5331-00-275-3472 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-275-3472?

NSN 5331-00-275-3472 has 6 cross-referenced part numbers: AMS7267 (Society of Automotive Engineers Inc), AS568-437 (Sae International Dba Sae International), AS568-437 (Society of Automotive Engineers Inc), 2-437C147-7 (Parker-Hannifin Corp Div O-Ring Division), 2-437C1124-70 (Parker-Hannifin Corp Div O-Ring Division) and 1 more.

What NSN replaces 5331-00-275-3472?

There are 8 known substitutes for 5331-00-275-3472: 5331-00-026-2578, 5331-00-065-4929, 5331-00-111-7811 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-437C1124-70?

Key specifications for 2-437C1124-70: Outside Diameter: 6.476 INCHES MINIMUM AND 6.574 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR; Center Hole Diameter: 5.938 INCHES MINIMUM AND 6.012 INCHES MAXIMUM IN; Temp Rating: -60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF. 6 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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