PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28477Ring,piston

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4310-00-372-5307 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-372-5307 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-372-5307. Primary manufacturer part number: 28477.
Features
  • Ring,piston — FSC 4310
  • Standard Bore Diameter: 0.490 INCHES IN
  • Material: PLASTIC OVERALL
  • Joint Style: STEP JOINT
  • FSC Application Data: VALVE,REGULATING,FLUID PRESSURE
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Material Document and Classification: SP-21 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Ring Style: CONCENTRIC
Applications
  • Applications requiring Plastic Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-372-5307, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4310-00-372-5307
Primary Part Number28477
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Standard Bore Diameter0.490 INCHES IN
MaterialPLASTIC OVERALL
Joint StyleSTEP JOINT
FSC Application DataVALVE,REGULATING,FLUID PRESSURE
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Material Document and ClassificationSP-21 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Ring StyleCONCENTRIC
Radial Wall Thickness0.0430 INCHES MINIMUM AND 0.0440 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3010-01-123-126728477X01-001 INTERCHANGEABLE
Cylinder Sleeve,rotary Actuator
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
28477 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
3010-01-123-1267INTERCHANGEABLE
CYLINDER SLEEVE,ROTARY ACTUATOR
28477X01-001

Frequently Asked Questions

What is NSN 4310-00-372-5307?

NSN 4310-00-372-5307 is a Ring,piston, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-372-5307?

NSN 4310-00-372-5307 has 1 cross-referenced part number: 28477 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4310-00-372-5307?

There is 1 known substitute for 4310-00-372-5307: 3010-01-123-1267. Verify interchangeability with system specifications before substitution.

What are the specifications of 28477?

Key specifications for 28477: Standard Bore Diameter: 0.490 INCHES IN; Material: PLASTIC OVERALL; Joint Style: STEP JOINT; FSC Application Data: VALVE,REGULATING,FLUID PRESSURE. 9 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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