PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P1604-187O-Ring

Newport Scientific, Inc. · NSN 5331-00-452-1332 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-452-1332 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-452-1332. Primary manufacturer part number: P1604-187.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.106 INCHES NOMINAL IN
  • Material: RUBBER CHLOROPRENE CLASS CR
  • 3 verified cross-references
  • Primary manufacturer: Newport Scientific, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-452-1332, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Newport Scientific, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-452-1332
Primary Part NumberP1604-187
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNewport Scientific, Inc.
StatusACTIVE
Cross-Sectional Height0.106 INCHES NOMINAL IN
MaterialRUBBER CHLOROPRENE CLASS CR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-106-2144R13 INTERCHANGEABLE
Rotor,pump
Circor Naval Solutions Llc Dba Warren Pumps
3895-00-243-5441 INTERCHANGEABLE
Roller,towed,pneumatic Tired
2910-00-362-9269 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
2940-00-725-2331323827R91 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
4730-01-170-3570 INTERCHANGEABLE
Ring,expansion,hose
5325-01-217-2058ST070233AV INTERCHANGEABLE
Ring,retaining
Scott and Fetzer Co the Powerwinch Div
Cross-Reference Index
Part NumberManufacturer
P1604-018700 Newport Scientific, Inc. (USA)
R13 Baxter Healthcare Corp Instrument Div (USA)
P1604-187 PRIMARY Newport Scientific, Inc. (USA)
Related Parts
4320-00-106-2144INTERCHANGEABLE
ROTOR,PUMP
R13
3895-00-243-5441INTERCHANGEABLE
ROLLER,TOWED,PNEUMATIC TIRED
2910-00-362-9269INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
2940-00-725-2331INTERCHANGEABLE
FILTER ELEMENT,FLUID
323827R91
4730-01-170-3570INTERCHANGEABLE
RING,EXPANSION,HOSE
5325-01-217-2058INTERCHANGEABLE
RING,RETAINING
ST070233AV

Frequently Asked Questions

What is NSN 5331-00-452-1332?

NSN 5331-00-452-1332 is a O-Ring, manufactured by Newport Scientific, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-452-1332?

NSN 5331-00-452-1332 has 3 cross-referenced part numbers: P1604-018700 (Newport Scientific, Inc.), R13 (Baxter Healthcare Corp Instrument Div), P1604-187 (Newport Scientific, Inc.).

What NSN replaces 5331-00-452-1332?

There are 6 known substitutes for 5331-00-452-1332: 4320-00-106-2144, 3895-00-243-5441, 2910-00-362-9269 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P1604-187?

Key specifications for P1604-187: Cross-Sectional Height: 0.106 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR. 2 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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