PartsTable
Technical Data Sheet
21126-1002-1 ✓ 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: NAVY WEAPON SYSTEM CODE JG SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_size_for_which_designed: 1.000 INCHES IN, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR, valve_model_number_for_which_designed: P/N 21126-001. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-418-4291, 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
21126-1002-1
NSN: 4810-01-418-4291
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
end_item_identificationNAVY WEAPON SYSTEM CODE JG SEAWOLF CLASS SSN
valve_design_control_activity78062
valve_size_for_which_designed1.000 INCHES IN
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
valve_model_number_for_which_designedP/N 21126-001
NSN4810-01-418-4291
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 21126-1002-1 · 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: P/N 21126-001
VALVE DESIGN CONTROL ACTIVITY: 78062
MATERIAL: STEEL COMP 416
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONNAVY WEAPON SYSTEM CODE JG SEAWOLF CLASS SSN
VALVE MODEL NUMBER FOR WHICH DESIGNEDP/N 21126-001
VALVE DESIGN CONTROL ACTIVITY78062
MATERIALSTEEL COMP 416
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
21126-22Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-3098/43Interchangeable
interchangeable cross-reference
interchangeable
CR65/U43M77778Interchangeable
interchangeable cross-reference
interchangeable
40-001038-03Interchangeable
interchangeable cross-reference
interchangeable
2112-6Interchangeable
interchangeable cross-reference
interchangeable
160-10356Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21126-1002-1?
21126-1002-1 is a PISTON,VALVE.
What parts can replace 21126-1002-1?
There are 14 known substitutes for 21126-1002-1: 21126-22, MIL-PRF-3098/43, CR65/U43M77778 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21126-1002-1?
21126-1002-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-418-4291. This indicates validated use in U.S. government and defense supply chains.
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