PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55622Seal,plain Encased

Altra Industrial Motion Corp. · NSN 5330-00-138-4560 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-138-4560 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-138-4560. Primary manufacturer part number: 55622.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 1.124 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
  • Case Style: RECESSED
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Seal Width: 0.313 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: STEEL CASE
  • Housing Bore Diameter: 2.440 INCHES MINIMUM AND 2.441 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-138-4560, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-138-4560
Primary Part Number55622
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Accommodated Shaft Diameter1.124 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
Case StyleRECESSED
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Seal Width0.313 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialSTEEL CASE
Housing Bore Diameter2.440 INCHES MINIMUM AND 2.441 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-085-09104700-51 INTERCHANGEABLE
Cap,resistive Termi
Airgas Safety, Inc. Dba Airgas
5985-00-841-17354700-51 INTERCHANGEABLE
Dummy Load,electrical
Amphenol Corporation Div Amphenol Rf
5985-01-359-7376 INTERCHANGEABLE
Dummy Load,electrical
4520-01-443-714555622 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
55622 PRIMARY Altra Industrial Motion Corp. (USA)
470051 Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
5340-00-085-0910INTERCHANGEABLE
CAP,RESISTIVE TERMI
4700-51
5985-00-841-1735INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
4700-51
5985-01-359-7376INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
4520-01-443-7145INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
55622

Frequently Asked Questions

What is NSN 5330-00-138-4560?

NSN 5330-00-138-4560 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 5330-00-138-4560?

NSN 5330-00-138-4560 has 2 cross-referenced part numbers: 55622 (Altra Industrial Motion Corp.), 470051 (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 5330-00-138-4560?

There are 4 known substitutes for 5330-00-138-4560: 5340-00-085-0910, 5985-00-841-1735, 5985-01-359-7376 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55622?

Key specifications for 55622: Accommodated Shaft Diameter: 1.124 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN; Case Style: RECESSED; Material: RUBBER SYNTHETIC SEALING ELEMENT; Seal Width: 0.313 INCHES NOMINAL IN. 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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