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21309-1003-1 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21309-1003-1: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, special_features: F0R LINEAR DIRECTIONAL CONTROL VALVE SZ 2, 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 part is cataloged in the U.S.

Government catalog under NSN 4820-01-417-9408, 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
21309-1003-1
NSN: 4820-01-417-9408
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
special_featuresF0R LINEAR DIRECTIONAL CONTROL VALVE SZ 2
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
NSN4820-01-417-9408
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21309-1003-1 · 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
•
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESF0R LINEAR DIRECTIONAL CONTROL VALVE SZ 2
VALVE DESIGN CONTROL ACTIVITY78062
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL COMP 416
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
21309-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21309-1003-1?
21309-1003-1 is a PISTON,VALVE.
What parts can replace 21309-1003-1?
There is 1 known substitute for 21309-1003-1: 21309-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 21309-1003-1?
21309-1003-1 is cataloged in the U.S. Government catalog under NSN 4820-01-417-9408. This indicates validated use in U.S. government and defense supply chains.
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