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PartsTable / COMPONENT / 21074-1001-1
21074-1001-1 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR, valve_model_number_for_which_designed: 21074. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-419-1675, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
21074-1001-1
NSN: 4810-01-419-1675
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity78062
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
valve_model_number_for_which_designed21074
NSN4810-01-419-1675
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21074-1001-1 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21074
•
MATERIAL: STEEL COMP 416
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
TECHNICAL CHARACTERISTICS (FLIS)
VALVE MODEL NUMBER FOR WHICH DESIGNED21074
MATERIALSTEEL COMP 416
VALVE DESIGN CONTROL ACTIVITY78062
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
P29957Interchangeable
interchangeable cross-reference
interchangeable
ST982Interchangeable
interchangeable cross-reference
interchangeable
K42584Interchangeable
interchangeable cross-reference
interchangeable
21074Interchangeable
interchangeable cross-reference
interchangeable
ST750Interchangeable
interchangeable cross-reference
interchangeable
1-300-425-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21074-1001-1?
21074-1001-1 is a PISTON,VALVE.
What parts can replace 21074-1001-1?
There are 21 known substitutes for 21074-1001-1: P29957, ST982, K42584 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21074-1001-1?
21074-1001-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-419-1675. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026