PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103546Piston Assembly,check Valve

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2915-00-442-0162 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-442-0162 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-442-0162. Primary manufacturer part number: 103546.
Features
  • Piston Assembly,check Valve — FSC 2915
  • General Characteristics Item Description: 0.575 IN. MIN 0.585 IN. MAX O/A LG,0.7445 IN. MIN 0.7455 IN. MAX O/A DIA IN
  • 2 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston Assembly,check Valve, cataloged under National Stock Number 2915-00-442-0162, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 verified specification, 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
NSN2915-00-442-0162
Primary Part Number103546
Item NamePiston Assembly,check Valve
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
General Characteristics Item Description0.575 IN. MIN 0.585 IN. MAX O/A LG,0.7445 IN. MIN 0.7455 IN. MAX O/A DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-961-6241103546 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Allianz Sweeper Company
5360-01-179-360110-3546 INTERCHANGEABLE
Spring,flat
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Cross-Reference Index
Part NumberManufacturer
103546 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
103546 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5910-00-961-6241INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
103546
5360-01-179-3601INTERCHANGEABLE
SPRING,FLAT
10-3546

Frequently Asked Questions

What is NSN 2915-00-442-0162?

NSN 2915-00-442-0162 is a Piston Assembly,check Valve, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-442-0162?

NSN 2915-00-442-0162 has 2 cross-referenced part numbers: 103546 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 103546 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2915-00-442-0162?

There are 2 known substitutes for 2915-00-442-0162: 5910-00-961-6241, 5360-01-179-3601. Verify interchangeability with system specifications before substitution.

What are the specifications of 103546?

Key specifications for 103546: General Characteristics Item Description: 0.575 IN. MIN 0.585 IN. MAX O/A LG,0.7445 IN. MIN 0.7455 IN. MAX O/A DIA IN. 1 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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