PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

374B224Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-291-1651 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-1651 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-1651. Primary manufacturer part number: 374B224.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 3.751 INCHES NOMINAL IN
  • Seal Width: 0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Maximum Rated Speed: 200 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 2.750 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Material: STEEL CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-291-1651, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5330-00-291-1651
Primary Part Number374B224
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Housing Bore Diameter3.751 INCHES NOMINAL IN
Seal Width0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
Sealing Element StyleANGULAR
Accommodated Shaft Maximum Rated Speed200 FEET PER MINUTE FT
Accommodated Shaft Diameter2.750 INCHES NOMINAL IN
Case StyleSQUARE
MaterialSTEEL CASE
MaterialLEATHER OR RUBBER SYNTHETIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-132-4588246088N INTERCHANGEABLE
Insert,tube Fitting
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5945-00-238-69271998424-1 INTERCHANGEABLE
Solenoid,electrical
Honeywell Intl Inc Defense Avionics Systems
5999-00-534-466000035-0004 INTERCHANGEABLE
Contact,electrical
Asrc Federal Facilities Logistics, Llc
5905-00-666-10337765319-6 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Lockheed Martin Corporation Div Rms
5305-00-847-0050431291 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5940-01-079-5791699 GP 04 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
5985-01-103-8280 INTERCHANGEABLE
Adapter,waveguide
2590-01-202-986635004 INTERCHANGEABLE
Plate,power
Jay-Em Aerospace Corporation
3040-01-329-095143-1291 INTERCHANGEABLE
Shaft,shouldered
General Electric Company Dba Ge Aerospace
5345-01-332-9000625110 INTERCHANGEABLE
Wheel,flap,abrasive
Standard Abrasives Inc
Cross-Reference Index
Part NumberManufacturer
431291 Federal-Mogul Corp Chassis Products Div (USA)
431291 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
374B224 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
04485-2 Allis-Chalmers Corp (USA)
35004 Federal-Mogul Corp Chassis Products Div (USA)
Related Parts
4730-00-132-4588INTERCHANGEABLE
INSERT,TUBE FITTING
246088N
5945-00-238-6927INTERCHANGEABLE
SOLENOID,ELECTRICAL
1998424-1
5999-00-534-4660INTERCHANGEABLE
CONTACT,ELECTRICAL
00035-0004
5905-00-666-1033INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
7765319-6
5305-00-847-0050INTERCHANGEABLE
SCREW,MACHINE
431291
5940-01-079-5791INTERCHANGEABLE
TERMINAL BOARD
699 GP 04
5985-01-103-8280INTERCHANGEABLE
ADAPTER,WAVEGUIDE
2590-01-202-9866INTERCHANGEABLE
PLATE,POWER
35004
3040-01-329-0951INTERCHANGEABLE
SHAFT,SHOULDERED
43-1291
5345-01-332-9000INTERCHANGEABLE
WHEEL,FLAP,ABRASIVE
625110
5310-01-366-1714INTERCHANGEABLE
WASHER,FLAT
35004
6515-01-368-2877INTERCHANGEABLE
CAM,WRIST FIXATION,ORTHOPEDIC
35004

Frequently Asked Questions

What is NSN 5330-00-291-1651?

NSN 5330-00-291-1651 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-1651?

NSN 5330-00-291-1651 has 5 cross-referenced part numbers: 431291 (Federal-Mogul Corp Chassis Products Div), 431291 (Federal-Mogul Corp Sealing Products Group Van Wert Plant), 374B224 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 04485-2 (Allis-Chalmers Corp), 35004 (Federal-Mogul Corp Chassis Products Div).

What NSN replaces 5330-00-291-1651?

There are 12 known substitutes for 5330-00-291-1651: 4730-00-132-4588, 5945-00-238-6927, 5999-00-534-4660 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 374B224?

Key specifications for 374B224: Housing Bore Diameter: 3.751 INCHES NOMINAL IN; Seal Width: 0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Accommodated Shaft Maximum Rated Speed: 200 FEET PER MINUTE FT. 8 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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