PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58-012-15CPO-Ring

Naval Inventory Control Point Mechanicsburg · NSN 5331-00-771-3357 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-771-3357 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-771-3357. Primary manufacturer part number: 58-012-15CP.
Features
  • O-Ring — FSC 5331
  • Criticality Code Justification: ZZZY
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Hardness Rating: 68.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Material Document and Classification: MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE
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 5331-00-771-3357, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-771-3357
Primary Part Number58-012-15CP
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
Criticality Code JustificationZZZY
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Hardness Rating68.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Material Document and ClassificationMIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE
Temp Rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4920-01-029-059905001-2 INTERCHANGEABLE
Fixture,aircraft Maintenance
Safe Flight Instrument, Llc
5330-01-030-7524011120EL INTERCHANGEABLE
Retainer,packing
Admiral Valve Llc Dba Cpv Manufacturing
6515-01-445-108260813 INTERCHANGEABLE
Handle,laryngoscope
Welch Allyn, Inc.
5340-01-596-6606050012 INTERCHANGEABLE
Bracket,mounting
Army, United States Department of the Dba Aviation Applied Technology Directorate
Cross-Reference Index
Part NumberManufacturer
58-012-15CP Naval Inventory Control Point Mechanicsburg (USA)
0X58-012-15 Naval Inventory Control Point Mechanicsburg (USA)
2621-906-19 PIECE 21 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
A180-012 Vacco Industries (USA)
F3C10089PC14CP Naval Inventory Control Point Mechanicsburg (USA)
0X58-012-15CP Naval Inventory Control Point Mechanicsburg (USA)
D2737-34CP Pressure Products Industries Inc (USA)
011120EL Admiral Valve Llc Dba Cpv Manufacturing (USA)
2621-906-19 PIECE 21 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
050012CP Naval Inventory Control Point Mechanicsburg (USA)
050012 Zf Industrieantriebe Witten Gmbh (DEU)
10141-2PC10 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
011120ELCP Naval Inventory Control Point Mechanicsburg (USA)
58-012-15 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
4920-01-029-0599INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
05001-2
5330-01-030-7524INTERCHANGEABLE
RETAINER,PACKING
011120EL
6515-01-445-1082INTERCHANGEABLE
HANDLE,LARYNGOSCOPE
60813
5340-01-596-6606INTERCHANGEABLE
BRACKET,MOUNTING
050012

Frequently Asked Questions

What is NSN 5331-00-771-3357?

NSN 5331-00-771-3357 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-771-3357?

NSN 5331-00-771-3357 has 14 cross-referenced part numbers: 58-012-15CP (Naval Inventory Control Point Mechanicsburg), 0X58-012-15 (Naval Inventory Control Point Mechanicsburg), 2621-906-19 PIECE 21 (Electric Boat Corporation Div General Dynamics Electric Boat), A180-012 (Vacco Industries), F3C10089PC14CP (Naval Inventory Control Point Mechanicsburg) and 9 more.

What NSN replaces 5331-00-771-3357?

There are 4 known substitutes for 5331-00-771-3357: 4920-01-029-0599, 5330-01-030-7524, 6515-01-445-1082 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58-012-15CP?

Key specifications for 58-012-15CP: Criticality Code Justification: ZZZY; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 68.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-771-3357 still in active supply?

NSN 5331-00-771-3357 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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