PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74809O-Ring

Prestolite Electric Inc · NSN 5331-00-171-5828 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-171-5828 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-171-5828. Primary manufacturer part number: 74809.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.638 INCHES MINIMUM AND 0.648 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Cross-Sectional Height: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
  • Material: RUBBER SILICONE CLASS Q
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • 7 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-171-5828, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-171-5828
Primary Part Number74809
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPrestolite Electric Inc
StatusACTIVE
Center Hole Diameter0.638 INCHES MINIMUM AND 0.648 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Cross-Sectional Height0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
MaterialRUBBER SILICONE CLASS Q
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-129-195814575 INTERCHANGEABLE
Strap,retaining
Viz Manufacturing Company
5331-00-212-0034Z053074809 INTERCHANGEABLE
O-Ring
Prestolite Electric Inc
6665-00-253-389974809 INTERCHANGEABLE
Trap,gas Detector
Mine Safety Appliances Company
Cross-Reference Index
Part NumberManufacturer
11646803 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
74809 Prestolite Electric Inc (USA)
74809 PRIMARY Prestolite Electric Inc (USA)
074809 Prestolite Electric Inc (USA)
13048138 Us Army Aviation and Missile Command (USA)
074809 Prestolite Electric Inc (USA)
5-136S604-70 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5340-00-129-1958INTERCHANGEABLE
STRAP,RETAINING
14575
5331-00-212-0034INTERCHANGEABLE
O-RING
Z053074809
6665-00-253-3899INTERCHANGEABLE
TRAP,GAS DETECTOR
74809

Frequently Asked Questions

What is NSN 5331-00-171-5828?

NSN 5331-00-171-5828 is a O-Ring, manufactured by Prestolite Electric Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-171-5828?

NSN 5331-00-171-5828 has 7 cross-referenced part numbers: 11646803 (U S Army Tank Automotive Command Amsta-Im-Mm), 74809 (Prestolite Electric Inc), 74809 (Prestolite Electric Inc), 074809 (Prestolite Electric Inc), 13048138 (Us Army Aviation and Missile Command) and 2 more.

What NSN replaces 5331-00-171-5828?

There are 3 known substitutes for 5331-00-171-5828: 5340-00-129-1958, 5331-00-212-0034, 6665-00-253-3899. Verify interchangeability with system specifications before substitution.

What are the specifications of 74809?

Key specifications for 74809: Center Hole Diameter: 0.638 INCHES MINIMUM AND 0.648 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Cross-Sectional Height: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF. 6 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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