PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z64PC27Ring,retaining

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5325-00-805-6002 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-805-6002 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-805-6002. Primary manufacturer part number: 12Z64PC27.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: EXTERNAL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL
  • Material Document and Classification: FED-STD 66 NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
  • Material Hardness Rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
  • Casehardening Indicator: NOT CASEHARDENED
  • Inside Diameter: 0.722 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-805-6002, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-805-6002
Primary Part Number12Z64PC27
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Ring StyleEXTERNAL
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL
Material Document and ClassificationFED-STD 66 NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
Material Hardness Rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter0.722 INCHES NOMINAL IN
Usage DesignEXTERNAL
Major Thickness0.042 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
8140-00-674-4327982443 INTERCHANGEABLE
Cover,box,ammunition
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5325-00-804-7653 INTERCHANGEABLE
Ring,retaining
5325-01-091-60145100-78 INTERCHANGEABLE
Ring,retaining
Cirteq Ltd
4820-01-319-344620382 INTERCHANGEABLE
Valve,safety Relief
Jacobs Mfg Co the
5950-01-334-685320382 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
4730-01-585-68309824-43 INTERCHANGEABLE
Strainer Element,sediment
Chant Engineering Co Inc Dba Chant Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
1E1074 White Farm Equipment Co Sub of Tic Investment Corp
20382 Lauson Division of Tecumseh Products Co (USA)
12Z64PC27 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
354378X1 Massey-Ferguson Inc Gear and Shaft Plant Div (USA)
5100-78 Truarc Company Llc Dba Waldes Truarc (USA)
719411 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
4M7651 Caterpillar Inc Div Caterpillar Defense (USA)
MILR21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5100-78 White Farm Equipment Co Sub of Tic Investment Inc (USA)
42R2049-100 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS16624-78 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
TL817 Lauson Division of Tecumseh Products Co (USA)
982443 Unit Rig and Equipment Co (USA)
572-6505-1417201 PRIMARY Naval Ship Systems Command (USA)
Related Parts
8140-00-674-4327INTERCHANGEABLE
COVER,BOX,AMMUNITION
982443
5325-00-804-7653INTERCHANGEABLE
RING,RETAINING
5325-01-091-6014INTERCHANGEABLE
RING,RETAINING
5100-78
4820-01-319-3446INTERCHANGEABLE
VALVE,SAFETY RELIEF
20382
5950-01-334-6853INTERCHANGEABLE
REACTOR
20382
4730-01-585-6830INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
9824-43

Frequently Asked Questions

What is NSN 5325-00-805-6002?

NSN 5325-00-805-6002 is a Ring,retaining, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-805-6002?

NSN 5325-00-805-6002 has 14 cross-referenced part numbers: 1E1074 (White Farm Equipment Co Sub of Tic Investment Corp), 20382 (Lauson Division of Tecumseh Products Co), 12Z64PC27 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 354378X1 (Massey-Ferguson Inc Gear and Shaft Plant Div), 5100-78 (Truarc Company Llc Dba Waldes Truarc) and 9 more.

What NSN replaces 5325-00-805-6002?

There are 6 known substitutes for 5325-00-805-6002: 8140-00-674-4327, 5325-00-804-7653, 5325-01-091-6014 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z64PC27?

Key specifications for 12Z64PC27: Ring Style: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL; Material Document and Classification: FED-STD 66 NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-805-6002 still in active supply?

NSN 5325-00-805-6002 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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