PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55905Seal,plain Encased

Altra Industrial Motion Corp. · NSN 5330-00-451-5330 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-451-5330 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-451-5330. Primary manufacturer part number: 55905.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Case Style: RECESSED
  • Accommodated Shaft Diameter: 1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 2.834 INCHES MINIMUM AND 2.835 INCHES MAXIMUM IN
  • Sealing Element Style: VERTICAL
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 5330-00-451-5330, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 7 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-451-5330
Primary Part Number55905
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Seal Width0.375 INCHES NOMINAL IN
Case StyleRECESSED
Accommodated Shaft Diameter1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter2.834 INCHES MINIMUM AND 2.835 INCHES MAXIMUM IN
Sealing Element StyleVERTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-086-24825590-5 INTERCHANGEABLE
Bolt,fluid Passage
Goodrich Aerospace Canada Ltd
2920-00-358-6795811735 INTERCHANGEABLE
Cap,ignition Distribution
Deere & Company Dba Deere John Co
5940-00-581-6157SMB187246 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-938-666855905 INTERCHANGEABLE
Band,retaining
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5360-00-974-8210470452 INTERCHANGEABLE
Spring,helical,compression
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6105-01-178-4703C308 INTERCHANGEABLE
Motor,alternating Current
General Electric Company
3120-01-490-540855905 INTERCHANGEABLE
Bearing,washer,thrust
Crosby Group Inc the Mckissick Plant Div
Cross-Reference Index
Part NumberManufacturer
470452 Federal-Mogul Corp Government Sales Dept (USA)
55905 PRIMARY Altra Industrial Motion Corp. (USA)
5590S Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
4730-00-086-2482INTERCHANGEABLE
BOLT,FLUID PASSAGE
5590-5
2920-00-358-6795INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
811735
5940-00-581-6157INTERCHANGEABLE
TERMINAL BOARD
SMB187246
5340-00-938-6668INTERCHANGEABLE
BAND,RETAINING
55905
5360-00-974-8210INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
470452
6105-01-178-4703INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
C308
3120-01-490-5408INTERCHANGEABLE
BEARING,WASHER,THRUST
55905

Frequently Asked Questions

What is NSN 5330-00-451-5330?

NSN 5330-00-451-5330 is a Seal,plain Encased, manufactured by Altra Industrial Motion Corp., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-451-5330?

NSN 5330-00-451-5330 has 3 cross-referenced part numbers: 470452 (Federal-Mogul Corp Government Sales Dept), 55905 (Altra Industrial Motion Corp.), 5590S (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5330-00-451-5330?

There are 7 known substitutes for 5330-00-451-5330: 4730-00-086-2482, 2920-00-358-6795, 5940-00-581-6157 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55905?

Key specifications for 55905: Seal Width: 0.375 INCHES NOMINAL IN; Case Style: RECESSED; Accommodated Shaft Diameter: 1.374 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN; Material: STEEL CASE. 7 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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