PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

329-1Ring,retaining

Eaton Corporation · NSN 5325-00-843-8601 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-843-8601 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-843-8601. Primary manufacturer part number: 329-1.
Features
  • Ring,retaining — FSC 5325
  • Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 1.162 INCHES NOMINAL IN
  • Material: STEEL
  • Material Document and Classification: QQ-W-428, TYPE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Inside Diameter: 0.912 INCHES NOMINAL IN
  • Ring Style: STRAIGHT GAP
  • Usage Design: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-843-8601, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-843-8601
Primary Part Number329-1
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
Material Hardness Rating48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter1.162 INCHES NOMINAL IN
MaterialSTEEL
Material Document and ClassificationQQ-W-428, TYPE 2 FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter0.912 INCHES NOMINAL IN
Ring StyleSTRAIGHT GAP
Usage DesignEXTERNAL
End StyleVERTEX OUTSIDE PERIPHERY
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.127 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUNDED OUTSIDE CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6610-00-049-4141771003-1 INTERCHANGEABLE
Sleeve,spring Lock
Honeywell Intl Inc Defense Avionics Systems
5940-00-143-4771MS25036-103 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
1560-00-166-293777-10031 INTERCHANGEABLE
Hook Assembly,bolt
The Boeing Company Div Legacy Am&m
9390-00-250-6039 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5905-01-030-5532C3291-9 INTERCHANGEABLE
Resistor,fixed,film
Crown Audio, Inc. Dba Crown International
5995-01-209-0835PC1204HD INTERCHANGEABLE
Cable Assembly,special Purpose,e
Champlain Cable Leeds Corporation
6625-01-242-353797-09-1020 INTERCHANGEABLE
Adapter,test
Kikusui Intl Corp
4320-01-470-601239900-BRCKT KIT INTERCHANGEABLE
Pump,centrifugal
Better Engineering Manufacturing Inc
5365-01-530-782513027973 INTERCHANGEABLE
Shim
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6515-01-549-609176-70 INTERCHANGEABLE
Syringe,aspirating
Integra Lifesciences Corporation
Cross-Reference Index
Part NumberManufacturer
5365008438601 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
329-1 PRIMARY Eaton Corporation (USA)
7710031 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
8-47-17-86-006 Safeguard Powertech Systems (USA)
Related Parts
6610-00-049-4141INTERCHANGEABLE
SLEEVE,SPRING LOCK
771003-1
5940-00-143-4771INTERCHANGEABLE
TERMINAL,LUG
MS25036-103
1560-00-166-2937INTERCHANGEABLE
HOOK ASSEMBLY,BOLT
77-10031
9390-00-250-6039INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5905-01-030-5532INTERCHANGEABLE
RESISTOR,FIXED,FILM
C3291-9
5995-01-209-0835INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
PC1204HD
6625-01-242-3537INTERCHANGEABLE
ADAPTER,TEST
97-09-1020
4320-01-470-6012INTERCHANGEABLE
PUMP,CENTRIFUGAL
39900-BRCKT KIT
5365-01-530-7825INTERCHANGEABLE
SHIM
13027973
6515-01-549-6091INTERCHANGEABLE
SYRINGE,ASPIRATING
76-70

Frequently Asked Questions

What is NSN 5325-00-843-8601?

NSN 5325-00-843-8601 is a Ring,retaining, manufactured by Eaton Corporation, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-843-8601?

NSN 5325-00-843-8601 has 4 cross-referenced part numbers: 5365008438601 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 329-1 (Eaton Corporation), 7710031 (U S Army Tank Automotive Command Amsta-Im-Mm), 8-47-17-86-006 (Safeguard Powertech Systems).

What NSN replaces 5325-00-843-8601?

There are 10 known substitutes for 5325-00-843-8601: 6610-00-049-4141, 5940-00-143-4771, 1560-00-166-2937 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 329-1?

Key specifications for 329-1: Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Outside Diameter: 1.162 INCHES NOMINAL IN; Material: STEEL; Material Document and Classification: QQ-W-428, TYPE 2 FED SPEC SINGLE MATERIAL RESPONSE. 12 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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