PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6391056 FIND 008O-Ring

Naval Sea Systems Command · NSN 5331-01-432-5835 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-432-5835 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-432-5835. Primary manufacturer part number: 6391056 FIND 008.
Features
  • O-Ring — FSC 5331
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Criticality Code Justification: ZZZW
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 12 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-432-5835, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 5 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
NSN5331-01-432-5835
Primary Part Number6391056 FIND 008
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Criticality Code JustificationZZZW
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-00-166-1081AS3581-011 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-01-216-8802 INTERCHANGEABLE
Packing,preformed
5331-01-541-1842 INTERCHANGEABLE
O-Ring
5331-01-541-1866 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
6391056 FIND 008 Naval Sea Systems Command (USA)
6391093 FIND 15CP Naval Inventory Control Point Mechanicsburg (USA)
M83248/2-011CP Naval Inventory Control Point Mechanicsburg (USA)
M83248/2-011CP Zf Industrieantriebe Witten Gmbh (DEU)
5331PL1284856 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5793265 FIND 211 Naval Sea Systems Command (USA)
5793265 FIND 211CP Naval Inventory Control Point Mechanicsburg (USA)
6391056 FIND 008CP Naval Inventory Control Point Mechanicsburg (USA)
MIL-R-83248 TYI,CL2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M82348/2-011CP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6391093 FIND 15 Naval Sea Systems Command (USA)
M83248/2-011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-166-1081INTERCHANGEABLE
O-RING
AS3581-011
5330-01-216-8802INTERCHANGEABLE
PACKING,PREFORMED
5331-01-541-1842INTERCHANGEABLE
O-RING
5331-01-541-1866INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-432-5835?

NSN 5331-01-432-5835 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-432-5835?

NSN 5331-01-432-5835 has 12 cross-referenced part numbers: 6391056 FIND 008 (Naval Sea Systems Command), 6391093 FIND 15CP (Naval Inventory Control Point Mechanicsburg), M83248/2-011CP (Naval Inventory Control Point Mechanicsburg), M83248/2-011CP (Zf Industrieantriebe Witten Gmbh), 5331PL1284856 (Jednolity Indeks Materialowy - Uniform Material Index) and 7 more.

What NSN replaces 5331-01-432-5835?

There are 4 known substitutes for 5331-01-432-5835: 5331-00-166-1081, 5330-01-216-8802, 5331-01-541-1842 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6391056 FIND 008?

Key specifications for 6391056 FIND 008: Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Criticality Code Justification: ZZZW; Material: RUBBER FLUOROCARBON CLASS FPM; End Item Identification: W/S: OLIVER PERRY CLASS FFG; WASP CLASS LHD; DIVERS LIFE SUPPORT SYSTEM; NIMITZ CLASS CVN; ARLEIGH BURKE CLASS DDG; EMORY S. LAND CLASS AS; FORRESTAL CLASS CV; SPRUANCE CLASS DD (963); TARAWA CLASS LHA. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-432-5835 still in active supply?

NSN 5331-01-432-5835 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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