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211036894 — STEM,NEEDLE VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211036894: STEM,NEEDLE VALVE.

The STEM,NEEDLE VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, disk_style: FLATTED, overall_length: 4.000 INCHES NOMINAL IN, end_item_identification: SEAWOLF CLASS SSN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 1.498 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-421-9634, 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
211036894
NSN: 4820-01-421-9634
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
disk_styleFLATTED
overall_length4.000 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter1.498 INCHES NOMINAL IN
material_document_and_classificationASTM B150 ALLOY C63200 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-421-9634
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211036894 · 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
•
LARGEST OUTSIDE DIAMETER: 1.498 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
DISK STYLE: FLATTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B150 ALLOY C63200 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER1.498 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
DISK STYLEFLATTED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B150 ALLOY C63200 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
593-6405216 FIND 17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF7501-101 FIND 17Reference 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 211036894?
211036894 is a STEM,NEEDLE VALVE.
What parts can replace 211036894?
There are 2 known substitutes for 211036894: 593-6405216 FIND 17, DF7501-101 FIND 17. Substitute compatibility should be verified for your specific system.
What is the NSN for 211036894?
211036894 is cataloged in the U.S. Government catalog under NSN 4820-01-421-9634. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.