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003931DC — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

003931DC: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 0.388 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.688 INCHES NOMINAL IN, valve_size_for_which_designed: 0.250 INCHES IN, valve_type_for_which_designed: GLOBE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-407-3593, 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
003931DC
NSN: 4820-01-407-3593
NIINs: 014073593, 014074591
FSC: 4820 — Valves, Nonpowered
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length0.388 INCHES NOMINAL IN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.688 INCHES NOMINAL IN
valve_size_for_which_designed0.250 INCHES IN
valve_type_for_which_designedGLOBE
criticality_code_justificationZZZY
material_document_and_classificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4820-01-407-3593
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 003931DC · 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: GLOBE
•
LARGEST OUTSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 0.250 INCHES IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGLOBE
LARGEST OUTSIDE DIAMETER0.688 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.388 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.250 INCHES IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
PLC-11401 PIECE 15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 003931DC?
003931DC is a STEM,FLUID VALVE.
What parts can replace 003931DC?
There is 1 known substitute for 003931DC: PLC-11401 PIECE 15. Substitute compatibility should be verified for your specific system.
What is the NSN for 003931DC?
003931DC is cataloged in the U.S. Government catalog under NSN 4820-01-407-3593. 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.