PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21267Valve,linear,directional Control

Mark Industries · NSN 4810-01-273-3721 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-273-3721 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-273-3721. Primary manufacturer part number: 21267.
Features
  • Valve,linear,directional Control — FSC 4810
  • 1 verified cross-reference
  • Primary manufacturer: Mark Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-01-273-3721, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mark Industries. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-273-3721
Primary Part Number21267
Item NameValve,linear,directional Control
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMark Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-020-7746 INTERCHANGEABLE
Seal,plain
4210-00-025-1413 INTERCHANGEABLE
Housing,spring,reli
5360-00-200-6358 INTERCHANGEABLE
Spring,helical,compression
5330-00-286-7060450121 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
6105-01-110-7695 INTERCHANGEABLE
Motor,alternating Current
6550-01-234-5062 INTERCHANGEABLE
Culture Medium,chocolate Agar Wi
4820-01-244-843921267 PIECE 4 INTERCHANGEABLE
Seat,valve
Crane Co Div Valve Div
4820-01-245-133121267 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
4140-01-398-8938 INTERCHANGEABLE
Impeller,fan,centrifugal
Cross-Reference Index
Part NumberManufacturer
21267 PRIMARY Mark Industries (USA)
Related Parts
5330-00-020-7746INTERCHANGEABLE
SEAL,PLAIN
4210-00-025-1413INTERCHANGEABLE
HOUSING,SPRING,RELI
5360-00-200-6358INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5330-00-286-7060INTERCHANGEABLE
SEAL,PLAIN ENCASED
450121
6105-01-110-7695INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6550-01-234-5062INTERCHANGEABLE
CULTURE MEDIUM,CHOCOLATE AGAR WI
4820-01-244-8439INTERCHANGEABLE
SEAT,VALVE
21267 PIECE 4
4820-01-245-1331INTERCHANGEABLE
VALVE,GATE
21267
4140-01-398-8938INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL

Frequently Asked Questions

What is NSN 4810-01-273-3721?

NSN 4810-01-273-3721 is a Valve,linear,directional Control, manufactured by Mark Industries, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-273-3721?

NSN 4810-01-273-3721 has 1 cross-referenced part number: 21267 (Mark Industries).

What NSN replaces 4810-01-273-3721?

There are 9 known substitutes for 4810-01-273-3721: 5330-00-020-7746, 4210-00-025-1413, 5360-00-200-6358 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21267?

Key specifications for 21267: Special Features: STEEL OVERCENTER VALVE. 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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