PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4240908A02O-Ring

Prestolite Electric Inc Defense Products Div · NSN 5331-01-100-2073 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-100-2073 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-100-2073. Primary manufacturer part number: 4240908A02.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • Cross-Sectional Height: 0.139 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Prestolite Electric Inc Defense Products Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-100-2073, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc Defense Products Div. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-100-2073
Primary Part Number4240908A02
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPrestolite Electric Inc Defense Products Div
StatusACTIVE
MaterialRUBBER
Cross-Sectional Height0.139 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-008-73192VHTA135AX5 INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3120-00-078-5172 INTERCHANGEABLE
Bushing,sleeve
2520-00-386-8955 INTERCHANGEABLE
Carrier,release Bea
5136-00-729-568554188 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5975-00-839-61585235 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5330-00-907-1043 INTERCHANGEABLE
Packing,preformed
3020-01-036-8353G7-72-3751 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
6150-01-092-749911125 INTERCHANGEABLE
Cable Assembly,special Purpose,e
General Microwave Corporation Div Kratos Microwave Electronics
5305-01-285-060711127 INTERCHANGEABLE
Screw,machine
O F Mossberg & Sons Inc
5315-01-317-6246 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
11-25 Motorola Automotive Electronics (USA)
4240908A02 PRIMARY Prestolite Electric Inc Defense Products Div (USA)
111-25 Prestolite Electric Inc (USA)
Related Parts
4320-00-008-7319INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
2VHTA135AX5
3120-00-078-5172INTERCHANGEABLE
BUSHING,SLEEVE
2520-00-386-8955INTERCHANGEABLE
CARRIER,RELEASE BEA
5136-00-729-5685INTERCHANGEABLE
TAP,THREAD CUTTING
54188
5975-00-839-6158INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5235
5330-00-907-1043INTERCHANGEABLE
PACKING,PREFORMED
3020-01-036-8353INTERCHANGEABLE
GEAR,SPUR
G7-72-3751
6150-01-092-7499INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
11125
5305-01-285-0607INTERCHANGEABLE
SCREW,MACHINE
11127
5315-01-317-6246INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2530-01-328-6174INTERCHANGEABLE
BRAKE,SHOE TYPE
5330-01-590-3782INTERCHANGEABLE
GASKET AND PREFORMED PACKING SET
11125

Frequently Asked Questions

What is NSN 5331-01-100-2073?

NSN 5331-01-100-2073 is a O-Ring, manufactured by Prestolite Electric Inc Defense Products Div, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-100-2073?

NSN 5331-01-100-2073 has 3 cross-referenced part numbers: 11-25 (Motorola Automotive Electronics), 4240908A02 (Prestolite Electric Inc Defense Products Div), 111-25 (Prestolite Electric Inc).

What NSN replaces 5331-01-100-2073?

There are 12 known substitutes for 5331-01-100-2073: 4320-00-008-7319, 3120-00-078-5172, 2520-00-386-8955 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4240908A02?

Key specifications for 4240908A02: Material: RUBBER; Cross-Sectional Height: 0.139 INCHES NOMINAL IN. 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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