PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-1889583 PC 37O-Ring

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5331-01-225-4200 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-225-4200 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-225-4200. Primary manufacturer part number: 845-1889583 PC 37.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZW
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
  • Elongation Percentage: 160 MAXIMUM
  • Outside Diameter: 0.379 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 5331-01-225-4200, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 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
NSN5331-01-225-4200
Primary Part Number845-1889583 PC 37
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Center Hole Diameter0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
Criticality Code JustificationZZZW
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Material Document and ClassificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
Elongation Percentage160 MAXIMUM
Outside Diameter0.379 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-057-2028 INTERCHANGEABLE
O-Ring
5331-00-584-0266080-04273-007 INTERCHANGEABLE
O-Ring
Moog Inc
5331-01-230-1767 INTERCHANGEABLE
O-Ring
5330-01-238-9051 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
845-1889583 PC 37 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
DR1487A-12 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
845-2110224 PC25 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
803-6915566-28 Zf Industrieantriebe Witten Gmbh (DEU)
1922810PC6 Puget Sound Naval Shipyard and Intermediate Maintence Facility (USA)
MS28775-010 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
845-4497106, PC. 202 Naval Ship Systems Command (USA)
2632-915X5 PC 6 Naval Ship Systems Command (USA)
MIL-P-25732C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS28775 Society of Automotive Engineers Inc (USA)
L 5349T-4PP(L)-485 PIECE 15 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
2-101N304-75 Zf Industrieantriebe Witten Gmbh (DEU)
JV81-862,PC.9 Automatic Switch Company Dba Asco (USA)
MS28775-010 Society of Automotive Engineers Inc (USA)
58-010-15 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5331-00-057-2028INTERCHANGEABLE
O-RING
5331-00-584-0266INTERCHANGEABLE
O-RING
080-04273-007
5331-01-230-1767INTERCHANGEABLE
O-RING
5330-01-238-9051INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-225-4200?

NSN 5331-01-225-4200 is a O-Ring, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-225-4200?

NSN 5331-01-225-4200 has 15 cross-referenced part numbers: 845-1889583 PC 37 (Electric Boat Corporation Div General Dynamics Electric Boat), DR1487A-12 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 845-2110224 PC25 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 803-6915566-28 (Zf Industrieantriebe Witten Gmbh), 1922810PC6 (Puget Sound Naval Shipyard and Intermediate Maintence Facility) and 10 more.

What NSN replaces 5331-01-225-4200?

There are 4 known substitutes for 5331-01-225-4200: 5331-00-057-2028, 5331-00-584-0266, 5331-01-230-1767 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-1889583 PC 37?

Key specifications for 845-1889583 PC 37: Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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