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21199-7 ✓ 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, special_features: FOR 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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-9411, 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
21199-7
NSN: 4820-01-417-9411
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
special_featuresFOR 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
NSN4820-01-417-9411
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21199-7 · 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 DESIGN CONTROL ACTIVITY: 78062
•
MATERIAL: STEEL COMP 416
•
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
VALVE DESIGN CONTROL ACTIVITY78062
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL COMP 416
SPECIAL FEATURESFOR LINEAR DIRECTIONAL CONTROL VALVE SZ 2
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
21199Interchangeable
interchangeable cross-reference
interchangeable
RG58AUInterchangeable
interchangeable cross-reference
interchangeable
1080H38H39Interchangeable
interchangeable cross-reference
interchangeable
RG58C-UInterchangeable
interchangeable cross-reference
interchangeable
21191Interchangeable
interchangeable cross-reference
interchangeable
21199-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21199-7?
21199-7 is a PISTON,VALVE.
What parts can replace 21199-7?
There are 9 known substitutes for 21199-7: 21199, RG58AU, 1080H38H39 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21199-7?
21199-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-9411. 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