PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

644858-7Valve,butterfly

Lockheed Martin Corp · NSN 4810-00-018-3825 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-018-3825 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-018-3825. Primary manufacturer part number: 644858-7.
Features
  • Valve,butterfly — FSC 4810
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,butterfly, cataloged under National Stock Number 4810-00-018-3825, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lockheed Martin Corp. This item has 4 commercial cross-references from 4 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
NSN4810-00-018-3825
Primary Part Number644858-7
Item NameValve,butterfly
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-017-8627 INTERCHANGEABLE
Washer,lock
3030-00-718-1664 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
644858-7 Lockheed Martin Corp (USA)
40D980 E-Systems Inc Montek Div Fluid Controls Opns (USA)
40D980 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
17862-7 Teledyne Controls, Llc Dba Teledyne Controls (USA)
Related Parts
5310-00-017-8627INTERCHANGEABLE
WASHER,LOCK
3030-00-718-1664INTERCHANGEABLE
BELT,V

Frequently Asked Questions

What is NSN 4810-00-018-3825?

NSN 4810-00-018-3825 is a Valve,butterfly, manufactured by Lockheed Martin Corp, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-018-3825?

NSN 4810-00-018-3825 has 4 cross-referenced part numbers: 644858-7 (Lockheed Martin Corp), 40D980 (E-Systems Inc Montek Div Fluid Controls Opns), 40D980 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 17862-7 (Teledyne Controls, Llc Dba Teledyne Controls).

What NSN replaces 4810-00-018-3825?

There are 2 known substitutes for 4810-00-018-3825: 5310-00-017-8627, 3030-00-718-1664. Verify interchangeability with system specifications before substitution.

What are the specifications of 644858-7?

Key specifications for 644858-7: Special Features: MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED:NOT RATED;MAXIMUM OPERATING TEMPERATURE AND MEDIA FOR WHICH DESIGNED:NOT RATED;. 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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