PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

843002Piston and Sleeve,absolute Press

Valcor Engineering Corporation · NSN 1650-00-166-3588 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-166-3588 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-166-3588. Primary manufacturer part number: 843002.
Features
  • Piston and Sleeve,absolute Press — FSC 1650
  • FSC Application Data: VALVE,PRESSURE REGULATOR. AIRCRAFT PNEUMATIC SYSTEM
  • General Characteristics Item Description: STEEL PISTON AND SLEEVE,MATCHED COMPONENTS,1.640 IN PISTON LG,0.4999 TO0.5001 IN PISTON OD AFTER COATING,1.400 IN SLEEVE LG,0.684 TO 0.686 IN SLEEVE O/A OD,GROOVED FOR O RING PACKING IN
  • 2 verified cross-references
  • Primary manufacturer: Valcor Engineering Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston and Sleeve,absolute Press, cataloged under National Stock Number 1650-00-166-3588, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-166-3588
Primary Part Number843002
Item NamePiston and Sleeve,absolute Press
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
FSC Application DataVALVE,PRESSURE REGULATOR. AIRCRAFT PNEUMATIC SYSTEM
General Characteristics Item DescriptionSTEEL PISTON AND SLEEVE,MATCHED COMPONENTS,1.640 IN PISTON LG,0.4999 TO0.5001 IN PISTON OD AFTER COATING,1.400 IN SLEEVE LG,0.684 TO 0.686 IN SLEEVE O/A OD,GROOVED FOR O RING PACKING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-620-44649147846 INTERCHANGEABLE
Washer,lock
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
843002 Kidde-Fenwal, Llc (USA)
843002 PRIMARY Valcor Engineering Corporation (USA)
Related Parts
5310-00-620-4464INTERCHANGEABLE
WASHER,LOCK
9147846

Frequently Asked Questions

What is NSN 1650-00-166-3588?

NSN 1650-00-166-3588 is a Piston and Sleeve,absolute Press, manufactured by Valcor Engineering Corporation, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-166-3588?

NSN 1650-00-166-3588 has 2 cross-referenced part numbers: 843002 (Kidde-Fenwal, Llc), 843002 (Valcor Engineering Corporation).

What NSN replaces 1650-00-166-3588?

There is 1 known substitute for 1650-00-166-3588: 5310-00-620-4464. Verify interchangeability with system specifications before substitution.

What are the specifications of 843002?

Key specifications for 843002: FSC Application Data: VALVE,PRESSURE REGULATOR. AIRCRAFT PNEUMATIC SYSTEM; General Characteristics Item Description: STEEL PISTON AND SLEEVE,MATCHED COMPONENTS,1.640 IN PISTON LG,0.4999 TO0.5001 IN PISTON OD AFTER COATING,1.400 IN SLEEVE LG,0.684 TO 0.686 IN SLEEVE O/A OD,GROOVED FOR O RING PACKING IN. 2 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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