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4389896 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4389896: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, style_designator: STRAIGHT THRU, nominal_thread_size: 0.50 INCHES ALL ENDS IN, end_item_identification: 2320-01-534-1091, thread_quantity_per_inch: 14 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-671-3701, 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
4389896
NSN: 4820-01-671-3701
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
style_designatorSTRAIGHT THRU
nominal_thread_size0.50 INCHES ALL ENDS IN
end_item_identification2320-01-534-1091
thread_quantity_per_inch14 ALL ENDS
thread_series_designatorNPTF ALL ENDS
part_name_assigned_by_controlling_agencyVALVE, CHECK, BRAKE
NSN4820-01-671-3701
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4389896 · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL THREAD SIZE: 0.50 INCHES ALL ENDS IN
•
THREAD QUANTITY PER INCH: 14 ALL ENDS
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL THREAD SIZE0.50 INCHES ALL ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, CHECK, BRAKE
END ITEM IDENTIFICATION2320-01-534-1091
THREAD QUANTITY PER INCH14 ALL ENDS
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORNPTF ALL ENDS
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
K112234Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 4389896?
4389896 is a VALVE,CHECK.
What parts can replace 4389896?
There is 1 known substitute for 4389896: K112234. Substitute compatibility should be verified for your specific system.
What is the NSN for 4389896?
4389896 is cataloged in the U.S. Government catalog under NSN 4820-01-671-3701. 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.