PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-124O-Ring

Society of Automotive Engineers Inc · NSN 5331-00-936-8876 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-936-8876 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-936-8876. Primary manufacturer part number: MS28775-124.
Features
  • O-Ring — FSC 5331
  • Elongation Percentage: 160 MAXIMUM
  • Material: RUBBER SYNTHETIC
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Outside Diameter: 1.443 INCHES NOMINAL IN
  • Temp Rating: 275.0 FAHRENHEIT DEGF
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-936-8876, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-936-8876
Primary Part NumberMS28775-124
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Elongation Percentage160 MAXIMUM
MaterialRUBBER SYNTHETIC
Criticality Code JustificationZZZW
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Outside Diameter1.443 INCHES NOMINAL IN
Temp Rating275.0 FAHRENHEIT DEGF
Hardness Rating65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
Center Hole Diameter1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-064-6961200851M INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
1680-00-066-994420085-1 INTERCHANGEABLE
Control Assembly,push-Pull
Triumph Controls, Llc Dba Triumph Controls, Llc
5331-00-845-9685MS28775-124 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5835-00-953-0958200851 INTERCHANGEABLE
Recorder Subassembly
Dictaphone Corporation
5330-01-266-498120-085-01 INTERCHANGEABLE
Seal Special
Redford-Carver Foundry Products Co Div of Dependable Foundry Equipment Co Inc
6645-01-283-1470200851 INTERCHANGEABLE
Hand,minute
Waltham Aircraft Clock Corp
5330-01-357-8380 INTERCHANGEABLE
Packing,preformed
5998-01-508-3937230183 INTERCHANGEABLE
Printed Circuit Board
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
MS28775-124 Society of Automotive Engineers Inc (USA)
SAE-AS28775 Sae International Dba Sae International (USA)
MS28775-124 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28775-124CP Naval Inventory Control Point Mechanicsburg (USA)
20-0851CP Naval Inventory Control Point Mechanicsburg (USA)
MS28775-124ES Eriks B.v. (NLD)
MS28775-124CP Sae International Dba Sae International (USA)
20-0851 Treadwell Corporation (delaware) Dba Treadwell Corp (USA)
20-0851 Avox Systems Inc Dba Avox Systems Inc (USA)
280981 ITEM 63 Marotta Controls Inc (USA)
Related Parts
5330-00-064-6961INTERCHANGEABLE
SEAL,PLAIN ENCASED
200851M
1680-00-066-9944INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
20085-1
5331-00-845-9685INTERCHANGEABLE
O-RING
MS28775-124
5835-00-953-0958INTERCHANGEABLE
RECORDER SUBASSEMBLY
200851
5330-01-266-4981INTERCHANGEABLE
SEAL SPECIAL
20-085-01
6645-01-283-1470INTERCHANGEABLE
HAND,MINUTE
200851
5330-01-357-8380INTERCHANGEABLE
PACKING,PREFORMED
5998-01-508-3937INTERCHANGEABLE
PRINTED CIRCUIT BOARD
230183

Frequently Asked Questions

What is NSN 5331-00-936-8876?

NSN 5331-00-936-8876 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-936-8876?

NSN 5331-00-936-8876 has 10 cross-referenced part numbers: MS28775-124 (Society of Automotive Engineers Inc), SAE-AS28775 (Sae International Dba Sae International), MS28775-124 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS28775-124CP (Naval Inventory Control Point Mechanicsburg), 20-0851CP (Naval Inventory Control Point Mechanicsburg) and 5 more.

What NSN replaces 5331-00-936-8876?

There are 8 known substitutes for 5331-00-936-8876: 5330-00-064-6961, 1680-00-066-9944, 5331-00-845-9685 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-124?

Key specifications for MS28775-124: Elongation Percentage: 160 MAXIMUM; Material: RUBBER SYNTHETIC; Criticality Code Justification: ZZZW; Special Features: MARKED WITH A BLUE DOT. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-936-8876 still in active supply?

NSN 5331-00-936-8876 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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