PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-1085O-Ring

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5331-00-837-4362 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-837-4362 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-837-4362. Primary manufacturer part number: R-1085.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Isobutylene-Isoprene Class Iir construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-837-4362, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-837-4362
Primary Part NumberR-1085
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Cross-Sectional Height0.125 INCHES NOMINAL IN
MaterialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6515-00-064-341811114 INTERCHANGEABLE
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Ansell Healthcare Products Llc Dba Ansell Div Ansell Healthcare
5950-00-255-612411214 INTERCHANGEABLE
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L3 Technologies, Inc. Div L3harris Edo Western Corporation
5136-00-293-071554584 INTERCHANGEABLE
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Tapco Cutting Tools Inc
5999-00-338-9875712198-1 INTERCHANGEABLE
Contact,electrical
Raytheon Company Div Rmd Strategic
6680-00-534-5506112-14 INTERCHANGEABLE
Shaft Assembly,flexible
Harbormaster Marine, Inc
5330-00-599-62038354439 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
3020-00-829-54948330 INTERCHANGEABLE
Chain,roller
Cef Industries, Llc Dba Cef Industries Inc
6625-00-856-7266112-14 INTERCHANGEABLE
Meter,audio Level
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2530-00-928-3517112-14 INTERCHANGEABLE
Cam,inner
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5998-01-022-471811214 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
R-1085 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
11-214 Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA)
R-1085 PIECE 70 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
6515-00-064-3418INTERCHANGEABLE
GLOVES,SURGEONS'
11114
5950-00-255-6124INTERCHANGEABLE
TRANSFORMER,POWER
11214
5136-00-293-0715INTERCHANGEABLE
TAP,THREAD CUTTING
54584
5999-00-338-9875INTERCHANGEABLE
CONTACT,ELECTRICAL
712198-1
6680-00-534-5506INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
112-14
5330-00-599-6203INTERCHANGEABLE
SEAL,PLAIN ENCASED
8354439
3020-00-829-5494INTERCHANGEABLE
CHAIN,ROLLER
8330
6625-00-856-7266INTERCHANGEABLE
METER,AUDIO LEVEL
112-14
2530-00-928-3517INTERCHANGEABLE
CAM,INNER
112-14
5998-01-022-4718INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
11214
5365-01-118-9005INTERCHANGEABLE
SHIM
11214
2920-01-149-6772INTERCHANGEABLE
ROTOR,GENERATOR
112-14

Frequently Asked Questions

What is NSN 5331-00-837-4362?

NSN 5331-00-837-4362 is a O-Ring, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-837-4362?

NSN 5331-00-837-4362 has 3 cross-referenced part numbers: R-1085 (Circor Naval Solutions Llc Dba Warren Pumps), 11-214 (Strohmeyer, Julie a. Dba Julie a. Strohmeyer), R-1085 PIECE 70 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 5331-00-837-4362?

There are 12 known substitutes for 5331-00-837-4362: 6515-00-064-3418, 5950-00-255-6124, 5136-00-293-0715 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-1085?

Key specifications for R-1085: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 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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