PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2903MRing,retaining

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5325-00-350-6639 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-350-6639 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-350-6639. Primary manufacturer part number: A2903M.
Features
  • Ring,retaining — FSC 5325
  • 2 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-350-6639, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,retaining
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (CAGE 13841)
Technical Specifications
ParameterValue
NSN5325-00-350-6639
Primary Part NumberA2903M
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-500-871934322 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
6695-01-105-83673432-2 INTERCHANGEABLE
Holder,jewel Bearing
Kearflex Engineering Company
3417-01-288-299334322 INTERCHANGEABLE
Cutter,engraving
Gravotech, Inc. Dba Gravotech Inc
6515-01-502-767634322 INTERCHANGEABLE
Balloon Catheter,vascular-Nonvas
Rochester Medical Corporation
4820-01-675-6062M1CSSVT33.5PHN INTERCHANGEABLE
Valve,check
International Valve Corp Dba Check-All Valve Mfg. Co.
Cross-Reference Index
Part NumberManufacturer
A2903M PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
34322 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
5940-00-500-8719INTERCHANGEABLE
SPLICE,CONDUCTOR
34322
6695-01-105-8367INTERCHANGEABLE
HOLDER,JEWEL BEARING
3432-2
3417-01-288-2993INTERCHANGEABLE
CUTTER,ENGRAVING
34322
6515-01-502-7676INTERCHANGEABLE
BALLOON CATHETER,VASCULAR-NONVAS
34322
4820-01-675-6062INTERCHANGEABLE
VALVE,CHECK
M1CSSVT33.5PHN

Frequently Asked Questions

What is NSN 5325-00-350-6639?

NSN 5325-00-350-6639 is a Ring,retaining, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-350-6639?

NSN 5325-00-350-6639 has 2 cross-referenced part numbers: A2903M (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 34322 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 5325-00-350-6639?

There are 5 known substitutes for 5325-00-350-6639: 5940-00-500-8719, 6695-01-105-8367, 3417-01-288-2993 and 2 more. Verify interchangeability with system specifications before substitution.

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