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4000-51R — COCK,DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4000-51R: COCK,DRAIN.

The COCK,DRAIN is a the manufacturer industrial component. Key specifications include special_features: 1/8 PTF,FLOAT OPERATED, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-477-9033, 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
4000-51R
NSN: 4820-01-477-9033
FSC: 4820 — Valves, Nonpowered
CAGE: 43990 — NORGREN C A CO (USA)
SPECIFICATIONS
special_features1/8 PTF,FLOAT OPERATED
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
valve_operation_methodAUTOMATIC
NSN4820-01-477-9033
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4000-51R · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
SPECIAL FEATURES1/8 PTF,FLOAT OPERATED
VALVE OPERATION METHODAUTOMATIC
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

No substitute or cross-reference records for this part.

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 4000-51R?
4000-51R is a COCK,DRAIN.
What is the NSN for 4000-51R?
4000-51R is cataloged in the U.S. Government catalog under NSN 4820-01-477-9033. 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.