PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TRC4Valve Core

Safran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services · NSN 2640-01-490-2702 · FSC 2640 · No Item Name Available
Verified by PartsTable
NSN 2640-01-490-2702 — this item is cataloged by the U.S. Government under National Stock Number 2640-01-490-2702. Primary manufacturer part number: TRC4.
Features
  • Valve Core — FSC 2640
  • Spring Tension Type: HIGH
  • 3 verified cross-references
  • Primary manufacturer: Safran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Core, cataloged under National Stock Number 2640-01-490-2702, is classified within Federal Supply Class 2640 (No Item Name Available) of the Tires and Tubes group. The primary manufacturer of record is Safran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN2640-01-490-2702
Primary Part NumberTRC4
Item NameValve Core
FSC / FSG2640 / 26 — No Item Name Available
ManufacturerSafran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services
StatusACTIVE
Spring Tension TypeHIGH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2640-00-102-6485402-AH-1-GOVT INTERCHANGEABLE
Valve Core
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
2640-00-810-5861402-AH-100-GOVT INTERCHANGEABLE
Valve Core
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
Cross-Reference Index
Part NumberManufacturer
TRC4 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
TRC4 PRIMARY Safran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services (USA)
402-AH Dill Air Controls Products Llc Dba Dill Air Controls Products Llc (USA)
Related Parts
2640-00-102-6485INTERCHANGEABLE
VALVE CORE
402-AH-1-GOVT
2640-00-810-5861INTERCHANGEABLE
VALVE CORE
402-AH-100-GOVT

Frequently Asked Questions

What is NSN 2640-01-490-2702?

NSN 2640-01-490-2702 is a Valve Core, manufactured by Safran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services, classified under FSC 2640 (No Item Name Available). Status: active.

What are the part numbers for NSN 2640-01-490-2702?

NSN 2640-01-490-2702 has 3 cross-referenced part numbers: TRC4 (Eaton Corporation Dba Air Controls Division Div Air Controls Division), TRC4 (Safran Landing Systems Wheel & Brake Services Llc Div Wheel & Brake Services), 402-AH (Dill Air Controls Products Llc Dba Dill Air Controls Products Llc).

What NSN replaces 2640-01-490-2702?

There are 2 known substitutes for 2640-01-490-2702: 2640-00-102-6485, 2640-00-810-5861. Verify interchangeability with system specifications before substitution.

What are the specifications of TRC4?

Key specifications for TRC4: Special Features: CUP MATERIAL IS SILICONE-BARREL,GASKET MATERIAL IS TRFLON,TEMP; RANGE -65 TO + 250 DEGREES F, MAX WORKING PRESSURE 550 PSI; Spring Tension Type: HIGH; End Item Identification: EH101 HELICOPTER. 3 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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