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PartsTable / COMPONENT / 21198-1005-1
21198-1005-1 ✓ 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 COMP 416, features_provided: SLOTTED, end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_size_for_which_designed: 2.000 INCHES IN, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-450-3625, 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
21198-1005-1
NSN: 4820-01-450-3625
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
features_providedSLOTTED
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity78062
valve_size_for_which_designed2.000 INCHES IN
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed21198-002
NSN4820-01-450-3625
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21198-1005-1 · 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
•
MATERIAL: STEEL COMP 416
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21198-002
•
VALVE SIZE FOR WHICH DESIGNED: 2.000 INCHES IN
•
FEATURES PROVIDED: SLOTTED
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 416
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VALVE MODEL NUMBER FOR WHICH DESIGNED21198-002
VALVE SIZE FOR WHICH DESIGNED2.000 INCHES IN
FEATURES PROVIDEDSLOTTED
VALVE DESIGN CONTROL ACTIVITY78062
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
17800-3 PC. 64Interchangeable
interchangeable cross-reference
interchangeable
21198Interchangeable
interchangeable cross-reference
interchangeable
3100B11Interchangeable
interchangeable cross-reference
interchangeable
650574-69Interchangeable
interchangeable cross-reference
interchangeable
506092Interchangeable
interchangeable cross-reference
interchangeable
6-25768-875Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21198-1005-1?
21198-1005-1 is a PISTON,VALVE.
What parts can replace 21198-1005-1?
There are 18 known substitutes for 21198-1005-1: 17800-3 PC. 64, 21198, 3100B11 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21198-1005-1?
21198-1005-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-450-3625. 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