PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5329431Ring,piston

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3040-00-532-9431 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-532-9431 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-532-9431. Primary manufacturer part number: 5329431.
Features
  • Ring,piston — FSC 3040
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Joint Style: VERTICAL JOINT
  • Ring Style: CONCENTRIC
  • Radial Wall Thickness: 0.0250 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Standard Bore Diameter: 0.625 INCHES IN
  • 4 verified cross-references
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 3040-00-532-9431, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-532-9431
Primary Part Number5329431
Item NameRing,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Joint StyleVERTICAL JOINT
Ring StyleCONCENTRIC
Radial Wall Thickness0.0250 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN
MaterialIRON OVERALL
Standard Bore Diameter0.625 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-045-86341511210 INTERCHANGEABLE
Transformer,radio Frequency
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-049-5252772-7 INTERCHANGEABLE
Gasket
Elbitamerica, Inc.
5120-00-224-3148 INTERCHANGEABLE
Wrench,box
6110-00-690-8563 INTERCHANGEABLE
Switchboard,power
4730-00-854-69315156653 INTERCHANGEABLE
Adapter,straight,tube to Boss
U S Army Tank Automotive Command Amsta-Im-Mm
4720-01-032-2412 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-032-5737 INTERCHANGEABLE
Hose Assembly,nonmetallic
2940-01-103-316877-27 INTERCHANGEABLE
Filter Tube
Rix Industries
6130-01-171-1701 INTERCHANGEABLE
Power Supply
Cross-Reference Index
Part NumberManufacturer
0E1245 Allis-Chalmers Corp (USA)
7727 General Motors Corp Packard Electric Div (USA)
5329431 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
7727 General Motors Corp (USA)
Related Parts
5950-00-045-8634INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1511210
5330-00-049-5252INTERCHANGEABLE
GASKET
772-7
5120-00-224-3148INTERCHANGEABLE
WRENCH,BOX
6110-00-690-8563INTERCHANGEABLE
SWITCHBOARD,POWER
4730-00-854-6931INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
5156653
4720-01-032-2412INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-032-5737INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2940-01-103-3168INTERCHANGEABLE
FILTER TUBE
77-27
6130-01-171-1701INTERCHANGEABLE
POWER SUPPLY

Frequently Asked Questions

What is NSN 3040-00-532-9431?

NSN 3040-00-532-9431 is a Ring,piston, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-532-9431?

NSN 3040-00-532-9431 has 4 cross-referenced part numbers: 0E1245 (Allis-Chalmers Corp), 7727 (General Motors Corp Packard Electric Div), 5329431 (U S Army Tank Automotive Command Amsta-Im-Mm), 7727 (General Motors Corp).

What NSN replaces 3040-00-532-9431?

There are 9 known substitutes for 3040-00-532-9431: 5950-00-045-8634, 5330-00-049-5252, 5120-00-224-3148 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5329431?

Key specifications for 5329431: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT; Ring Style: CONCENTRIC; Radial Wall Thickness: 0.0250 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN. 7 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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