PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7402839Ring,retaining

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5325-00-281-6688 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-281-6688 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-281-6688. Primary manufacturer part number: 7402839.
Features
  • Ring,retaining — FSC 5325
  • Usage Design: INTERNAL
  • Material: STEEL
  • Casehardening Indicator: NOT CASEHARDENED
  • Cross-Sectional Shape Style: RECTANGULAR
  • Ring Style: STRAIGHT GAP
  • Major Thickness: 0.0605 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
  • End Style: VERTEX CENTER OR ABOVE
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-281-6688, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-281-6688
Primary Part Number7402839
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Usage DesignINTERNAL
MaterialSTEEL
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleSTRAIGHT GAP
Major Thickness0.0605 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
End StyleVERTEX CENTER OR ABOVE
Outside Diameter1.309 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN
Inside Diameter1.117 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
7530-00-144-960061492 INTERCHANGEABLE
Paper,tabulating Machine,continu
Sparco Inc
3110-00-156-79655216FM1TX9 INTERCHANGEABLE
Bearing,ball,annular
Nsk Corp Bearing Div
5950-00-262-2249 INTERCHANGEABLE
Transformer,power
4730-00-277-5832MPD9484-33A3-38 INTERCHANGEABLE
Clamp,hose
Met-Pro Corporation
6515-00-363-884011-1072 INTERCHANGEABLE
Scissors,bandage
Sklar Corporation Dba Sklar Instruments
3120-00-445-84645516 INTERCHANGEABLE
Bushing,sleeve
Goodrich Aerospace Canada Ltd
5985-00-553-3510 INTERCHANGEABLE
Line Section,radio Frequency Tra
4320-01-633-4063102758 INTERCHANGEABLE
Cover,hydraulic,pump-Motor
Hammonds Technical Services, Inc.
Cross-Reference Index
Part NumberManufacturer
7402839 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5516 Wico-Prestolite Co the Div of Eltra Corp (USA)
Related Parts
7530-00-144-9600INTERCHANGEABLE
PAPER,TABULATING MACHINE,CONTINU
61492
3110-00-156-7965INTERCHANGEABLE
BEARING,BALL,ANNULAR
5216FM1TX9
5950-00-262-2249INTERCHANGEABLE
TRANSFORMER,POWER
4730-00-277-5832INTERCHANGEABLE
CLAMP,HOSE
MPD9484-33A3-38
6515-00-363-8840INTERCHANGEABLE
SCISSORS,BANDAGE
11-1072
3120-00-445-8464INTERCHANGEABLE
BUSHING,SLEEVE
5516
5985-00-553-3510INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
4320-01-633-4063INTERCHANGEABLE
COVER,HYDRAULIC,PUMP-MOTOR
102758

Frequently Asked Questions

What is NSN 5325-00-281-6688?

NSN 5325-00-281-6688 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-281-6688?

NSN 5325-00-281-6688 has 2 cross-referenced part numbers: 7402839 (U S Army Tank Automotive Command Amsta-Im-Mm), 5516 (Wico-Prestolite Co the Div of Eltra Corp).

What NSN replaces 5325-00-281-6688?

There are 8 known substitutes for 5325-00-281-6688: 7530-00-144-9600, 3110-00-156-7965, 5950-00-262-2249 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7402839?

Key specifications for 7402839: Usage Design: INTERNAL; Material: STEEL; Casehardening Indicator: NOT CASEHARDENED; Cross-Sectional Shape Style: RECTANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-281-6688 still in active supply?

NSN 5325-00-281-6688 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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