PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

398G7Seal,plain Encased

Oshkosh Defense Llc · NSN 5330-00-291-1654 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-1654 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-1654. Primary manufacturer part number: 398G7.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 4.003 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 2.938 INCHES NOMINAL IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT B
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element a construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-291-1654, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-291-1654
Primary Part Number398G7
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Housing Bore Diameter4.003 INCHES NOMINAL IN
Case StyleSQUARE
Sealing Element StyleANGULAR
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
MaterialSTEEL CASE
Accommodated Shaft Diameter2.938 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT B
Seal Width0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-227-7379 INTERCHANGEABLE
Wrench,socket
5330-00-236-6604 INTERCHANGEABLE
Seal,plain Encased
4820-00-350-9451212P 1/2 INCH INTERCHANGEABLE
Valve,globe
Crane Co Div Valve Div
2590-00-999-781235012 INTERCHANGEABLE
Ball,screw and Nut
Saginaw Products Corporation Dba Cignys
5330-01-018-0757 INTERCHANGEABLE
Packing,preformed
5330-01-117-9694 INTERCHANGEABLE
Seal
3510-01-160-1759471 24 51-87 INTERCHANGEABLE
Drum,inner,washer Extractor
Wascomat of America Div of Bermil Industries Corp
4720-01-432-295535012 INTERCHANGEABLE
Hose,nonmetallic
Johnson C S Co Inc
5995-01-605-3140 INTERCHANGEABLE
Cable Assembly,special Purpose,e
4820-01-668-2227014210431H INTERCHANGEABLE
Valve,vent-Check
Tate Andale, Llc
Cross-Reference Index
Part NumberManufacturer
398G7 Oshkosh Defense Llc (USA)
38G42 Oshkosh Corp (USA)
38G42 Oshkosh Defense Llc (USA)
A1205G397 Dart Truck Co (USA)
2B6780 White Motor Corp (USA)
99022R91 Navistar International Corporation Dba Navistar (USA)
511D5 Diamond Reo Truck Co (USA)
398G7 Oshkosh Corp (USA)
A1205G397 White Motor Corp (USA)
4AA1205G397 Fwd Seagrave Holdings Lp (USA)
A1205G397 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
475012RRR Federal-Mogul Corp Government Sales Dept (USA)
1041D5 Diamond Reo Truck Co (USA)
2121634 General Motors Corp (USA)
2121634 General Motors Llc Dba General Motors Llc (USA)
100066R91 Navistar Intl Corp Truck Br Ohio Plant (USA)
A1205G397 Koehring Co Lorain Div (USA)
A1205G397 Bay City Shovels, Inc (USA)
2B6776 White Motor Corp (USA)
11A9494 Napco International Llc Dba Napco International Inc (USA)
Related Parts
5120-00-227-7379INTERCHANGEABLE
WRENCH,SOCKET
5330-00-236-6604INTERCHANGEABLE
SEAL,PLAIN ENCASED
4820-00-350-9451INTERCHANGEABLE
VALVE,GLOBE
212P 1/2 INCH
2590-00-999-7812INTERCHANGEABLE
BALL,SCREW AND NUT
35012
5330-01-018-0757INTERCHANGEABLE
PACKING,PREFORMED
5330-01-117-9694INTERCHANGEABLE
SEAL
3510-01-160-1759INTERCHANGEABLE
DRUM,INNER,WASHER EXTRACTOR
471 24 51-87
4720-01-432-2955INTERCHANGEABLE
HOSE,NONMETALLIC
35012
5995-01-605-3140INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
4820-01-668-2227INTERCHANGEABLE
VALVE,VENT-CHECK
014210431H
4820-01-668-2233INTERCHANGEABLE
VALVE,VENT-CHECK
014210431R
5995-01-669-1880INTERCHANGEABLE
WIRING HARNESS
61-35542

Frequently Asked Questions

What is NSN 5330-00-291-1654?

NSN 5330-00-291-1654 is a Seal,plain Encased, manufactured by Oshkosh Defense Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-291-1654?

NSN 5330-00-291-1654 has 31 cross-referenced part numbers: 398G7 (Oshkosh Defense Llc), 38G42 (Oshkosh Corp), 38G42 (Oshkosh Defense Llc), A1205G397 (Dart Truck Co), 2B6780 (White Motor Corp) and 26 more.

What NSN replaces 5330-00-291-1654?

There are 12 known substitutes for 5330-00-291-1654: 5120-00-227-7379, 5330-00-236-6604, 4820-00-350-9451 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 398G7?

Key specifications for 398G7: Housing Bore Diameter: 4.003 INCHES NOMINAL IN; Case Style: SQUARE; Sealing Element Style: ANGULAR; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-291-1654 still in active supply?

NSN 5330-00-291-1654 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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