PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

303-765Valve,linear,directional Control

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · NSN 4810-00-977-2931 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-977-2931 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-977-2931. Primary manufacturer part number: 303-765.
Features
  • Valve,linear,directional Control — FSC 4810
  • 2 verified cross-references
  • Primary manufacturer: Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-00-977-2931, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. 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.

Catalog Facts
Item NameValve,linear,directional Control
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163); Howden Fluid Systems (CAGE 33654)
Technical Specifications
ParameterValue
NSN4810-00-977-2931
Primary Part Number303-765
Item NameValve,linear,directional Control
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1270-00-397-7299303765 INTERCHANGEABLE
Cover Assembly
Lockheed Martin Corporation Div Rms - Mitchel Field
6515-01-581-4341303765 INTERCHANGEABLE
Tube,binocular,surgical Microsco
Carl Zeiss Meditec Inc Div Meditec
Cross-Reference Index
Part NumberManufacturer
303-765 PRIMARY Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
303-765 Howden Fluid Systems (USA)
Related Parts
1270-00-397-7299INTERCHANGEABLE
COVER ASSEMBLY
303765
6515-01-581-4341INTERCHANGEABLE
TUBE,BINOCULAR,SURGICAL MICROSCO
303765

Frequently Asked Questions

What is NSN 4810-00-977-2931?

NSN 4810-00-977-2931 is a Valve,linear,directional Control, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-977-2931?

NSN 4810-00-977-2931 has 2 cross-referenced part numbers: 303-765 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 303-765 (Howden Fluid Systems).

What NSN replaces 4810-00-977-2931?

There are 2 known substitutes for 4810-00-977-2931: 1270-00-397-7299, 6515-01-581-4341. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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