PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

740285-8Ring,piston

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 4310-01-332-7665 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-332-7665 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-332-7665. Primary manufacturer part number: 740285-8.
Features
  • Ring,piston — FSC 4310
  • Ring Style: CONCENTRIC
  • Radial Wall Thickness: 0.0930 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Material: PLASTIC OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Applications requiring Plastic Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-332-7665, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-332-7665
Primary Part Number740285-8
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Ring StyleCONCENTRIC
Radial Wall Thickness0.0930 INCHES NOMINAL IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
MaterialPLASTIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-351-06987402858 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
740285-8 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
740285 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5310-00-351-0698INTERCHANGEABLE
WASHER,FLAT
7402858

Frequently Asked Questions

What is NSN 4310-01-332-7665?

NSN 4310-01-332-7665 is a Ring,piston, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-332-7665?

NSN 4310-01-332-7665 has 2 cross-referenced part numbers: 740285-8 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 740285 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 4310-01-332-7665?

There is 1 known substitute for 4310-01-332-7665: 5310-00-351-0698. Verify interchangeability with system specifications before substitution.

What are the specifications of 740285-8?

Key specifications for 740285-8: Ring Style: CONCENTRIC; Overall Width: 0.1160 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN; Radial Wall Thickness: 0.0930 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 5 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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