PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4148Seal,plain Encased

Federal-Mogul Corp Government Sales Dept · NSN 5330-01-303-3921 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-303-3921 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-303-3921. Primary manufacturer part number: 4148.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 2.623 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC OVERALL
  • Accommodated Shaft Diameter: 2.000 INCHES NOMINAL IN
  • Seal Width: 0.260 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Federal-Mogul Corp Government Sales Dept
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-303-3921, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5330-01-303-3921
Primary Part Number4148
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusACTIVE
Housing Bore Diameter2.623 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
Accommodated Shaft Diameter2.000 INCHES NOMINAL IN
Seal Width0.260 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-075-989810105385-8 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Us Army Aviation and Missile Command
5310-00-115-2530 INTERCHANGEABLE
Washer,spring Tension
5305-00-144-3950 INTERCHANGEABLE
Screw,machine
2815-00-146-3018 INTERCHANGEABLE
Cylinder Head,diesel Engine
4720-00-202-9319 INTERCHANGEABLE
Hose Assembly,nonmetallic
5120-00-277-5072 INTERCHANGEABLE
Wrench,open End Box
5305-00-349-81714148 INTERCHANGEABLE
Screw,tongue
Wakmann Watch Company Inc
2040-00-388-0799M7421 INTERCHANGEABLE
Strut,vtype
Michigan Wheel Operations, Llc
7320-00-390-15215974 INTERCHANGEABLE
Plate,shredder
Middleby Marshall Inc Conveyor Ovens and Mixers Div
2805-00-422-616313S55 INTERCHANGEABLE
Ring Set,piston
Spirolox Inc
Cross-Reference Index
Part NumberManufacturer
5125 Federal-Mogul Corp Government Sales Dept (USA)
D3TA1190AA Ford Motor Company (USA)
D3TA1190AA Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
4148 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
6150-00-075-9898INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
10105385-8
5310-00-115-2530INTERCHANGEABLE
WASHER,SPRING TENSION
5305-00-144-3950INTERCHANGEABLE
SCREW,MACHINE
2815-00-146-3018INTERCHANGEABLE
CYLINDER HEAD,DIESEL ENGINE
4720-00-202-9319INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5120-00-277-5072INTERCHANGEABLE
WRENCH,OPEN END BOX
5305-00-349-8171INTERCHANGEABLE
SCREW,TONGUE
4148
2040-00-388-0799INTERCHANGEABLE
STRUT,VTYPE
M7421
7320-00-390-1521INTERCHANGEABLE
PLATE,SHREDDER
5974
2805-00-422-6163INTERCHANGEABLE
RING SET,PISTON
13S55
5340-00-431-8854INTERCHANGEABLE
PLUG,EXPANSION
5325-00-720-8064INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5330-01-303-3921?

NSN 5330-01-303-3921 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-303-3921?

NSN 5330-01-303-3921 has 4 cross-referenced part numbers: 5125 (Federal-Mogul Corp Government Sales Dept), D3TA1190AA (Ford Motor Company), D3TA1190AA (Ford Motor Co Ford Parts and Service Div Government Part Sales), 4148 (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 5330-01-303-3921?

There are 12 known substitutes for 5330-01-303-3921: 6150-00-075-9898, 5310-00-115-2530, 5305-00-144-3950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4148?

Key specifications for 4148: Housing Bore Diameter: 2.623 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL; Accommodated Shaft Diameter: 2.000 INCHES NOMINAL IN; Seal Width: 0.260 INCHES NOMINAL IN. 4 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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