PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

36978-16O-Ring

Arvinmeritor Inc · NSN 5331-00-804-5694 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-804-5694 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-804-5694. Primary manufacturer part number: 36978-16.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 1.385 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
  • 50 verified cross-references
  • Primary manufacturer: Arvinmeritor Inc
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 5331-00-804-5694, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Arvinmeritor Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 34 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-804-5694
Primary Part Number36978-16
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerArvinmeritor Inc
StatusCANCELLED
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter1.385 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
Cross-Sectional Height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Center Hole Diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-021-2891AMS-P-5510 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-00-154-9075225116 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5331-00-165-4565645003BB16 INTERCHANGEABLE
O-Ring
Goodrich Corporation Dba Goodrich Corp
5310-00-167-1726 INTERCHANGEABLE
Washer,flat
5331-00-251-8839MS28778-12 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
2920-00-456-14471118896 INTERCHANGEABLE
Regulator,engine Generator
Borgwarner Pds (anderson), L.l.c.
5930-00-465-81297229K2 INTERCHANGEABLE
Switch,push
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
1650-00-516-75628195-1 INTERCHANGEABLE
Dampener,fluid Pressure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5965-00-524-2299SM-C-752265 INTERCHANGEABLE
Loudspeaker,permanent Magnet
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-583-2294 INTERCHANGEABLE
Switch,lever
Cross-Reference Index
Part NumberManufacturer
10172786 Nimikkeistokeskus Ncb Finland (FIN)
3-16 Zf Industrieantriebe Witten Gmbh (DEU)
17343FX Oshkosh Defense Llc (USA)
3-16L308-8 Parker-Hannifin Corp Div O-Ring Division (USA)
MS28778-16MIL-P -5510 Zf Industrieantriebe Witten Gmbh (DEU)
GHN10093-3 Lockheed Martin Corp (USA)
916-8307 Parker Hannifin Corporation Div O-Ring Division (USA)
MS28778-16 Le Joint Francais (FRA)
2HP865 Oshkosh Corp (USA)
22012-16 Danfoss Power Solutions II, Llc (USA)
3-355-8-00-903-05 Fluid Handling Llc (USA)
36978-16 PRIMARY Arvinmeritor Inc (USA)
751 836 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
1000-004PC16 Aluf Industries Inc (USA)
81951 Zf Industrieantriebe Witten Gmbh (DEU)
MS28778-16ES Eriks B.v. (NLD)
5-131-04-024-001 PC 13 Fluid Handling Llc (USA)
98006PN21 Zf Industrieantriebe Witten Gmbh (DEU)
028-08259 Zf Industrieantriebe Witten Gmbh (DEU)
5-131-04-024-001 PC 13 Itt Corporation Dba Itt Standard (USA)
Related Parts
5331-00-021-2891INTERCHANGEABLE
O-RING
AMS-P-5510
5330-00-154-9075INTERCHANGEABLE
SEAL,PLAIN ENCASED
225116
5331-00-165-4565INTERCHANGEABLE
O-RING
645003BB16
5310-00-167-1726INTERCHANGEABLE
WASHER,FLAT
5331-00-251-8839INTERCHANGEABLE
O-RING
MS28778-12
2920-00-456-1447INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
1118896
5930-00-465-8129INTERCHANGEABLE
SWITCH,PUSH
7229K2
1650-00-516-7562INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
8195-1
5965-00-524-2299INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
SM-C-752265
5930-00-583-2294INTERCHANGEABLE
SWITCH,LEVER
5331-00-804-5695INTERCHANGEABLE
O-RING
MS28778-6
5331-00-892-2289INTERCHANGEABLE
O-RING
3-906N507-9

Frequently Asked Questions

What is NSN 5331-00-804-5694?

NSN 5331-00-804-5694 is a O-Ring, manufactured by Arvinmeritor Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-804-5694?

NSN 5331-00-804-5694 has 50 cross-referenced part numbers: 10172786 (Nimikkeistokeskus Ncb Finland), 3-16 (Zf Industrieantriebe Witten Gmbh), 17343FX (Oshkosh Defense Llc), 3-16L308-8 (Parker-Hannifin Corp Div O-Ring Division), MS28778-16MIL-P -5510 (Zf Industrieantriebe Witten Gmbh) and 45 more.

What NSN replaces 5331-00-804-5694?

There are 12 known substitutes for 5331-00-804-5694: 5331-00-021-2891, 5330-00-154-9075, 5331-00-165-4565 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 36978-16?

Key specifications for 36978-16: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: RG-31 MRAP; MEDIUM MINE PROTECTED VEHICLE - MMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; Outside Diameter: 1.385 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-804-5694 still in active supply?

NSN 5331-00-804-5694 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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