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21081-1005-1 ✓ 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 CORROSION RESISTING, overall_length: 3.800 INCHES NOMINAL IN, valve_design_control_activity: 78062, material_document_and_classification: ASTM A582 ASSN STD ALL MATERIAL RESPONSES, valve_model_number_for_which_designed: 21078. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-436-2894, 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
21081-1005-1
NSN: 4810-01-436-2894
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length3.800 INCHES NOMINAL IN
valve_design_control_activity78062
material_document_and_classificationASTM A582 ASSN STD ALL MATERIAL RESPONSES
valve_model_number_for_which_designed21078
NSN4810-01-436-2894
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21081-1005-1 · 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 DESIGN CONTROL ACTIVITY: 78062
•
MATERIAL: STEEL CORROSION RESISTING
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21078
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD ALL MATERIAL RESPONSES
TECHNICAL CHARACTERISTICS (FLIS)
VALVE DESIGN CONTROL ACTIVITY78062
MATERIALSTEEL CORROSION RESISTING
OVERALL LENGTH3.800 INCHES NOMINAL IN
VALVE MODEL NUMBER FOR WHICH DESIGNED21078
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A6162Interchangeable
interchangeable cross-reference
interchangeable
21078Interchangeable
interchangeable cross-reference
interchangeable
152C71Interchangeable
interchangeable cross-reference
interchangeable
2100-0059Interchangeable
interchangeable cross-reference
interchangeable
BA90101Interchangeable
interchangeable cross-reference
interchangeable
18M730Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21081-1005-1?
21081-1005-1 is a PISTON,VALVE.
What parts can replace 21081-1005-1?
There are 15 known substitutes for 21081-1005-1: A6162, 21078, 152C71 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21081-1005-1?
21081-1005-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-436-2894. 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