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PartsTable / COMPONENT / 21308-1003-1
21308-1003-1 ✓ 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, features_provided: GROOVED, end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR, material_document_and_classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-430-4161, 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
21308-1003-1
NSN: 4810-01-430-4161
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
features_providedGROOVED
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity78062
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed21308-001
NSN4810-01-430-4161
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21308-1003-1 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21308-001
•
MATERIAL: STEEL CORROSION RESISTING
•
FEATURES PROVIDED: GROOVED
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
VALVE MODEL NUMBER FOR WHICH DESIGNED21308-001
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL CORROSION RESISTING
FEATURES PROVIDEDGROOVED
VALVE DESIGN CONTROL ACTIVITY78062
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
21308Interchangeable
interchangeable cross-reference
interchangeable
10646-38Interchangeable
interchangeable cross-reference
interchangeable
1325738Interchangeable
interchangeable cross-reference
interchangeable
S380-64BBDDInterchangeable
interchangeable cross-reference
interchangeable
RG21AUInterchangeable
interchangeable cross-reference
interchangeable
MILC17TYPERG21AUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21308-1003-1?
21308-1003-1 is a PISTON,VALVE.
What parts can replace 21308-1003-1?
There are 12 known substitutes for 21308-1003-1: 21308, 10646-38, 1325738 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21308-1003-1?
21308-1003-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-430-4161. 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