PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57112Ring,piston

Hamilton Sundstrand Corporation · NSN 4310-01-033-1003 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-033-1003 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-033-1003. Primary manufacturer part number: 57112.
Features
  • Ring,piston — FSC 4310
  • Radial Wall Thickness: 0.0480 INCHES NOMINAL IN
  • FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM
  • Ring Style: CONCENTRIC
  • Material Document and Classification: WS SHAMBAN TURCITE B BRONZE FILLED POLYTETRAFLUOROETHYLENE MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Standard Bore Diameter: 0.470 INCHES IN
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Joint Style: VERTICAL JOINT
Applications
  • Applications requiring Plastic Tetrafluoroethylene Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-033-1003, 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. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-033-1003
Primary Part Number57112
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Radial Wall Thickness0.0480 INCHES NOMINAL IN
FSC Application DataAIRCRAFT HYDRAULIC SYSTEM
Ring StyleCONCENTRIC
Material Document and ClassificationWS SHAMBAN TURCITE B BRONZE FILLED POLYTETRAFLUOROETHYLENE MFR REF SINGLE MATERIAL RESPONSE OVERALL
Standard Bore Diameter0.470 INCHES IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Joint StyleVERTICAL JOINT
MaterialPLASTIC TETRAFLUOROETHYLENE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2510-00-834-525742272 INTERCHANGEABLE
Shock Absorber,direct Action
Maremont Corp
7530-01-544-9459 INTERCHANGEABLE
Cert Forms Book
Cross-Reference Index
Part NumberManufacturer
57112 Trelleborg Sealing Solutions Us, Inc. (USA)
57112 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
2510-00-834-5257INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
42272
7530-01-544-9459INTERCHANGEABLE
CERT FORMS BOOK

Frequently Asked Questions

What is NSN 4310-01-033-1003?

NSN 4310-01-033-1003 is a Ring,piston, manufactured by Hamilton Sundstrand Corporation, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-033-1003?

NSN 4310-01-033-1003 has 2 cross-referenced part numbers: 57112 (Trelleborg Sealing Solutions Us, Inc.), 57112 (Hamilton Sundstrand Corporation).

What NSN replaces 4310-01-033-1003?

There are 2 known substitutes for 4310-01-033-1003: 2510-00-834-5257, 7530-01-544-9459. Verify interchangeability with system specifications before substitution.

What are the specifications of 57112?

Key specifications for 57112: Radial Wall Thickness: 0.0480 INCHES NOMINAL IN; FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; Ring Style: CONCENTRIC; Material Document and Classification: WS SHAMBAN TURCITE B BRONZE FILLED POLYTETRAFLUOROETHYLENE MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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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