PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8330909O-Ring

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5331-00-318-4326 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-318-4326 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-318-4326. Primary manufacturer part number: 8330909.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 3 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-318-4326, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5331-00-318-4326
Primary Part Number8330909
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-533-1466P410 INTERCHANGEABLE
Nut,tube Coupling
Coyne & Delany Company Dba Delany Products Div Delany Products
7010-01-047-5307P410 INTERCHANGEABLE
Memory Unit
Cambex Corporation
5985-01-059-118862WT16 INTERCHANGEABLE
Seal,waveguide
Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
4320-01-479-0543P410 INTERCHANGEABLE
Pump Unit,hydraulic
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
P410 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
5330003184326 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
8330909 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4730-00-533-1466INTERCHANGEABLE
NUT,TUBE COUPLING
P410
7010-01-047-5307INTERCHANGEABLE
MEMORY UNIT
P410
5985-01-059-1188INTERCHANGEABLE
SEAL,WAVEGUIDE
62WT16
4320-01-479-0543INTERCHANGEABLE
PUMP UNIT,HYDRAULIC
P410

Frequently Asked Questions

What is NSN 5331-00-318-4326?

NSN 5331-00-318-4326 is a O-Ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-318-4326?

NSN 5331-00-318-4326 has 3 cross-referenced part numbers: P410 (Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton), 5330003184326 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 8330909 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5331-00-318-4326?

There are 4 known substitutes for 5331-00-318-4326: 4730-00-533-1466, 7010-01-047-5307, 5985-01-059-1188 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8330909?

Key specifications for 8330909: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 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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