PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2622MRing,retaining

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5325-00-200-2639 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-200-2639 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-200-2639. Primary manufacturer part number: A2622M.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • End Style: VERTEX OUTSIDE PERIPHERY
  • Material: STEEL COMP 1065
  • Material Document and Classification: SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
  • Major Thickness: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
  • Ring Style: STRAIGHT GAP
  • Cross-Sectional Shape Style: ROUNDED CORNERS
Applications
  • Applications requiring Steel Comp 1065 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-200-2639, 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. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-200-2639
Primary Part NumberA2622M
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusCANCELLED
Casehardening IndicatorNOT CASEHARDENED
End StyleVERTEX OUTSIDE PERIPHERY
MaterialSTEEL COMP 1065
Material Document and ClassificationSAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
Major Thickness0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Ring StyleSTRAIGHT GAP
Cross-Sectional Shape StyleROUNDED CORNERS
Inside Diameter3.688 INCHES NOMINAL IN
Usage DesignEXTERNAL
Outside Diameter4.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6145-00-009-9324 INTERCHANGEABLE
Cable,special Purpose,electrical
5340-01-222-40825190410 INTERCHANGEABLE
Cover,access
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
5190410 General Motors Corp (USA)
A2622M PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
5190410 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
5190410 General Motors Llc Dba General Motors Llc (USA)
1F1441 Caterpillar Inc Div Caterpillar Defense (USA)
A2622M H20 Tank Inc U S Motors Div (USA)
3F3732 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
6145-00-009-9324INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5340-01-222-4082INTERCHANGEABLE
COVER,ACCESS
5190410

Frequently Asked Questions

What is NSN 5325-00-200-2639?

NSN 5325-00-200-2639 is a Ring,retaining, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-200-2639?

NSN 5325-00-200-2639 has 7 cross-referenced part numbers: 5190410 (General Motors Corp), A2622M (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 5190410 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 5190410 (General Motors Llc Dba General Motors Llc), 1F1441 (Caterpillar Inc Div Caterpillar Defense) and 2 more.

What NSN replaces 5325-00-200-2639?

There are 2 known substitutes for 5325-00-200-2639: 6145-00-009-9324, 5340-01-222-4082. Verify interchangeability with system specifications before substitution.

What are the specifications of A2622M?

Key specifications for A2622M: Casehardening Indicator: NOT CASEHARDENED; End Style: VERTEX OUTSIDE PERIPHERY; Material: STEEL COMP 1065; Material Document and Classification: SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-200-2639 still in active supply?

NSN 5325-00-200-2639 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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