PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-124O-Ring

Sae International Dba Sae International · NSN 5331-00-845-9685 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-845-9685 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-845-9685. Primary manufacturer part number: MS28775-124.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 1.425 INCHES MINIMUM AND 1.461 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • 39 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-00-845-9685, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 39 commercial cross-references from 24 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
NSN5331-00-845-9685
Primary Part NumberMS28775-124
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter1.425 INCHES MINIMUM AND 1.461 INCHES MAXIMUM IN
Center Hole Diameter1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5331-00-623-112004720623 INTERCHANGEABLE
O-Ring
Warren Controls, Inc.
5330-00-810-93324400171-1240 INTERCHANGEABLE
Packing,preformed
Marotta Controls Inc
5331-00-936-8876 INTERCHANGEABLE
O-Ring
5331-01-208-2920AS3581-124 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-243-37764400173-1240 INTERCHANGEABLE
O-Ring
Marotta Controls Inc
5330-01-357-8380 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
31,42X2,62SR832-75A Le Joint Francais (FRA)
1376-02-128P Zf Industrieantriebe Witten Gmbh (DEU)
A132R124 Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA)
5331PL0809473 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4400173-1240 Zf Industrieantriebe Witten Gmbh (DEU)
M83248/2-124 Zf Industrieantriebe Witten Gmbh (DEU)
I16672SR832-75 Le Joint Francais (FRA)
PRP568-124-4067-70 Parco, Llc (USA)
137602128 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
MS28775-124 Dbr Industries, Inc. Dba Dbr Industries Inc (USA)
MSMS28775-124 Le Joint Francais (FRA)
04720623 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-124 Tiffin Metal Products Co. (USA)
955361+124 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
MS28775-124 Zf Industrieantriebe Witten Gmbh (DEU)
4400171-1240 Zf Industrieantriebe Witten Gmbh (DEU)
P48026-124 Acushnet Rubber Company, Inc. Dba Precix (USA)
MS28775-124 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28775-124 PRIMARY Sae International Dba Sae International (USA)
2-124 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-00-623-1120INTERCHANGEABLE
O-RING
04720623
5330-00-810-9332INTERCHANGEABLE
PACKING,PREFORMED
4400171-1240
5331-00-936-8876INTERCHANGEABLE
O-RING
5331-01-208-2920INTERCHANGEABLE
O-RING
AS3581-124
5331-01-243-3776INTERCHANGEABLE
O-RING
4400173-1240
5330-01-357-8380INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-00-845-9685?

NSN 5331-00-845-9685 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 5331-00-845-9685?

NSN 5331-00-845-9685 has 39 cross-referenced part numbers: 31,42X2,62SR832-75A (Le Joint Francais), 1376-02-128P (Zf Industrieantriebe Witten Gmbh), A132R124 (Aerocontrolex Group, Inc. Dba Aero Fluid Products), 5331PL0809473 (Jednolity Indeks Materialowy - Uniform Material Index), 4400173-1240 (Zf Industrieantriebe Witten Gmbh) and 34 more.

What NSN replaces 5331-00-845-9685?

There are 6 known substitutes for 5331-00-845-9685: 5331-00-623-1120, 5330-00-810-9332, 5331-00-936-8876 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-124?

Key specifications for MS28775-124: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 1.425 INCHES MINIMUM AND 1.461 INCHES MAXIMUM IN; Center Hole Diameter: 1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-845-9685 still in active supply?

NSN 5331-00-845-9685 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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