PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56304Retainer,packing

Altra Industrial Motion Corp. · NSN 5330-00-484-1232 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-484-1232 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-484-1232. Primary manufacturer part number: 56304.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Height: 0.375 INCHES NOMINAL IN
  • Center Hole Diameter: 1.625 INCHES NOMINAL IN
  • Peripheral Diameter: 3.937 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: OVAL
  • 2 verified cross-references
  • Primary manufacturer: Altra Industrial Motion Corp.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-484-1232, 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 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-484-1232
Primary Part Number56304
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Cross-Sectional Height0.375 INCHES NOMINAL IN
Center Hole Diameter1.625 INCHES NOMINAL IN
Peripheral Diameter3.937 INCHES NOMINAL IN
Cross-Sectional Shape StyleOVAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5355-00-362-800956304 INTERCHANGEABLE
Dial,scale
Cae Usa Inc.
3895-00-426-0774 INTERCHANGEABLE
Packing Set
5970-00-703-0196 INTERCHANGEABLE
Insulator,plate
3030-00-717-347217T470 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4730-01-018-0659 INTERCHANGEABLE
Cover,subassembly
6685-01-385-14463289U7D20 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ppm Cranes Inc
6550-01-517-411656304 INTERCHANGEABLE
Test Kit,dna Analysis
Qiagen, Llc
Cross-Reference Index
Part NumberManufacturer
476878 Federal-Mogul Corp Government Sales Dept (USA)
56304 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
5355-00-362-8009INTERCHANGEABLE
DIAL,SCALE
56304
3895-00-426-0774INTERCHANGEABLE
PACKING SET
5970-00-703-0196INTERCHANGEABLE
INSULATOR,PLATE
3030-00-717-3472INTERCHANGEABLE
BELT,V
17T470
4730-01-018-0659INTERCHANGEABLE
COVER,SUBASSEMBLY
6685-01-385-1446INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3289U7D20
6550-01-517-4116INTERCHANGEABLE
TEST KIT,DNA ANALYSIS
56304

Frequently Asked Questions

What is NSN 5330-00-484-1232?

NSN 5330-00-484-1232 is a Retainer,packing, manufactured by Altra Industrial Motion Corp., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-484-1232?

NSN 5330-00-484-1232 has 2 cross-referenced part numbers: 476878 (Federal-Mogul Corp Government Sales Dept), 56304 (Altra Industrial Motion Corp.).

What NSN replaces 5330-00-484-1232?

There are 7 known substitutes for 5330-00-484-1232: 5355-00-362-8009, 3895-00-426-0774, 5970-00-703-0196 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56304?

Key specifications for 56304: Cross-Sectional Height: 0.375 INCHES NOMINAL IN; Center Hole Diameter: 1.625 INCHES NOMINAL IN; Peripheral Diameter: 3.937 INCHES NOMINAL IN; Cross-Sectional Shape Style: OVAL. 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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