PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS29561-016O-Ring

Sae International Dba Sae International · NSN 5331-00-800-5182 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-800-5182 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-800-5182. Primary manufacturer part number: MS29561-016.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
  • Outside Diameter: 0.754 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 250 MAXIMUM
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 26 verified cross-references
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 5331-00-800-5182, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 17 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
NSN5331-00-800-5182
Primary Part NumberMS29561-016
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Center Hole Diameter0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
Outside Diameter0.754 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Elongation Percentage250 MAXIMUM
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5331-00-064-4641MS29561-265 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-800-6870MS29561-123 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-884-0940MS29561-347 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-892-4263MS29561-262 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-988-8809 INTERCHANGEABLE
O-Ring
3030-01-500-90273/5M1000JB INTERCHANGEABLE
Belt,v
Cepeda Associates, Inc. Dba Cepeda Associates Inc
5331-01-541-5873AS29561-011 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-610-3306 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
MS29561-016 Aviation Spares and Repairs Ltd (GBR)
MS29561-016 Parker Brownsville Servicio S.a. De C.v. (MEX)
AS29561 Society of Automotive Engineers Inc (USA)
AS-16-C83 Federal-Mogul Corp Government Sales Dept (USA)
10172775 Nimikkeistokeskus Ncb Finland (FIN)
5331PL0657676 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS29561-016 Aertekno S.r.l. (ITA)
2-016 47-071 Parker-Hannifin Corp Div O-Ring Division (USA)
38 76504 2016 2 Parker-Hannifin Corporation Dba Pneutronics Div Gas Turbine Fuel Systems Division (USA)
AS29561-016 Sae International Dba Sae International (USA)
MS29561-016 Leonardo Spa Helicopters Division - Production Site (ITA)
1557052-17 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1557052-17 Parker Hannifin Corporation Div O-Ring Division (USA)
1557052-17 Parker-Hannifin Corp Div O-Ring Division (USA)
MS29561-16 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS29561 Sae International Dba Sae International (USA)
AS29561-016 Society of Automotive Engineers Inc (USA)
PRP914-4 142-70 Parker Hannifin Corporation Div O-Ring Division (USA)
MS29561-016 PRIMARY Sae International Dba Sae International (USA)
AS-016-C83 Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
5331-00-064-4641INTERCHANGEABLE
O-RING
MS29561-265
5331-00-800-6870INTERCHANGEABLE
O-RING
MS29561-123
5331-00-884-0940INTERCHANGEABLE
O-RING
MS29561-347
5331-00-892-4263INTERCHANGEABLE
O-RING
MS29561-262
5331-00-988-8809INTERCHANGEABLE
O-RING
3030-01-500-9027INTERCHANGEABLE
BELT,V
3/5M1000JB
5331-01-541-5873INTERCHANGEABLE
O-RING
AS29561-011
5331-01-610-3306INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-800-5182?

NSN 5331-00-800-5182 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 5331-00-800-5182?

NSN 5331-00-800-5182 has 26 cross-referenced part numbers: MS29561-016 (Aviation Spares and Repairs Ltd), MS29561-016 (Parker Brownsville Servicio S.a. De C.v.), AS29561 (Society of Automotive Engineers Inc), AS-16-C83 (Federal-Mogul Corp Government Sales Dept), 10172775 (Nimikkeistokeskus Ncb Finland) and 21 more.

What NSN replaces 5331-00-800-5182?

There are 8 known substitutes for 5331-00-800-5182: 5331-00-064-4641, 5331-00-800-6870, 5331-00-884-0940 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS29561-016?

Key specifications for MS29561-016: Center Hole Diameter: 0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN; Outside Diameter: 0.754 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-800-5182 still in active supply?

NSN 5331-00-800-5182 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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