PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AMS7276GO-Ring

Sae International Dba Sae International · NSN 5331-00-166-8396 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-8396 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-8396. Primary manufacturer part number: AMS7276G.
Features
  • O-Ring — FSC 5331
  • Elongation Percentage: 125 MAXIMUM
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Center Hole Diameter: 2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Outside Diameter: 2.605 INCHES MINIMUM AND 2.653 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-166-8396, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-166-8396
Primary Part NumberAMS7276G
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Elongation Percentage125 MAXIMUM
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER FLUOROCARBON CLASS FPM
Temp Rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Center Hole Diameter2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Outside Diameter2.605 INCHES MINIMUM AND 2.653 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-045-72954400571-0370 INTERCHANGEABLE
Packing,preformed
Marotta Controls Inc
2520-00-766-22591669326 INTERCHANGEABLE
Clutch Assembly,friction
Chrysler Realty Company Llc Dba Daimler Chrysler
5331-00-864-7249 INTERCHANGEABLE
O-Ring
5331-01-065-2651AS3209-037 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-324-5266M83248/1-037 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-587-5906AS3209-37 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
J221P037 Acushnet Rubber Company, Inc. Dba Precix (USA)
M83248/1-037 Society of Automotive Engineers Inc (USA)
592005130110 Saab Kockums Ab - Karlskrona (SWE)
AMS7276 Society of Automotive Engineers Inc (USA)
AS3209-037 Zf Industrieantriebe Witten Gmbh (DEU)
10163210 Nimikkeistokeskus Ncb Finland (FIN)
041302 R1 DL08510 Ministry of Defence, Des Ships, Marine Propulsion Systems, Maritime Spares (GBR)
2-037V1164-75 Parker-Hannifin Corp Div O-Ring Division (USA)
2-037V0747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
2-037V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
M83248/1-037 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS3209-037 Society of Automotive Engineers Inc (USA)
AS3209-037 Sae International Dba Sae International (USA)
AMS7276G Society of Automotive Engineers Inc (USA)
MILR83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2-037V884-75 Parker-Hannifin Corp Div O-Ring Division (USA)
AMS7276G PRIMARY Sae International Dba Sae International (USA)
2-037 V747-75 Parker Hannifin Gmbh O-Ring Division (DEU)
5331PL1935335 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS9388-037 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5330-00-045-7295INTERCHANGEABLE
PACKING,PREFORMED
4400571-0370
2520-00-766-2259INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
1669326
5331-00-864-7249INTERCHANGEABLE
O-RING
5331-01-065-2651INTERCHANGEABLE
O-RING
AS3209-037
5331-01-324-5266INTERCHANGEABLE
O-RING
M83248/1-037
5331-01-587-5906INTERCHANGEABLE
O-RING
AS3209-37

Frequently Asked Questions

What is NSN 5331-00-166-8396?

NSN 5331-00-166-8396 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-166-8396?

NSN 5331-00-166-8396 has 27 cross-referenced part numbers: J221P037 (Acushnet Rubber Company, Inc. Dba Precix), M83248/1-037 (Society of Automotive Engineers Inc), 592005130110 (Saab Kockums Ab - Karlskrona), AMS7276 (Society of Automotive Engineers Inc), AS3209-037 (Zf Industrieantriebe Witten Gmbh) and 22 more.

What NSN replaces 5331-00-166-8396?

There are 6 known substitutes for 5331-00-166-8396: 5330-00-045-7295, 2520-00-766-2259, 5331-00-864-7249 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AMS7276G?

Key specifications for AMS7276G: Elongation Percentage: 125 MAXIMUM; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Material: RUBBER FLUOROCARBON CLASS FPM. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-166-8396 still in active supply?

NSN 5331-00-166-8396 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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