PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-P-25732O-Ring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-058-0779 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-058-0779 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-058-0779. Primary manufacturer part number: MIL-P-25732.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.296 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
  • Outside Diameter: 1.574 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Elongation Percentage: 160 MAXIMUM
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • 4 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 5331-01-058-0779, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-058-0779
Primary Part NumberMIL-P-25732
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Center Hole Diameter1.296 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
Outside Diameter1.574 INCHES NOMINAL IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Elongation Percentage160 MAXIMUM
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-013-778432185 INTERCHANGEABLE
O-Ring
Garrison Manufacturing Inc
5331-00-166-84062-219V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-238-4708 INTERCHANGEABLE
O-Ring
5331-00-422-0349PRP568-219-1235-60 INTERCHANGEABLE
O-Ring
Parco, Llc
Cross-Reference Index
Part NumberManufacturer
MIL-P-25732 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS568-219 Society of Automotive Engineers Inc (USA)
29470-24 Solventum Purification Inc. Div Filtration and Separation Division (USA)
AS568-219 Sae International Dba Sae International (USA)
Related Parts
5331-00-013-7784INTERCHANGEABLE
O-RING
32185
5331-00-166-8406INTERCHANGEABLE
O-RING
2-219V0747-75
5331-00-238-4708INTERCHANGEABLE
O-RING
5331-00-422-0349INTERCHANGEABLE
O-RING
PRP568-219-1235-60

Frequently Asked Questions

What is NSN 5331-01-058-0779?

NSN 5331-01-058-0779 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-058-0779?

NSN 5331-01-058-0779 has 4 cross-referenced part numbers: MIL-P-25732 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS568-219 (Society of Automotive Engineers Inc), 29470-24 (Solventum Purification Inc. Div Filtration and Separation Division), AS568-219 (Sae International Dba Sae International).

What NSN replaces 5331-01-058-0779?

There are 4 known substitutes for 5331-01-058-0779: 5331-00-013-7784, 5331-00-166-8406, 5331-00-238-4708 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-P-25732?

Key specifications for MIL-P-25732: Center Hole Diameter: 1.296 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN; Outside Diameter: 1.574 INCHES NOMINAL IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com