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8156K51 — COCK,DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8156K51: COCK,DRAIN.

The COCK,DRAIN is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, nominal_length: 1.6875 INCHES ALL ENDS IN, style_designator: STRAIGHT THRU, flow_control_device: BALL, valve_operation_method: MANUAL, nominal_inside_diameter_hose_accommodated: 0.125 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-607-3814, 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
8156K51
NSN: 4820-01-607-3814
FSC: 4820 — Valves, Nonpowered
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
nominal_length1.6875 INCHES ALL ENDS IN
style_designatorSTRAIGHT THRU
flow_control_deviceBALL
valve_operation_methodMANUAL
nominal_inside_diameter_hose_accommodated0.125 INCHES ALL ENDS IN
NSN4820-01-607-3814
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8156K51 · 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
•
FLOW CONTROL DEVICE: BALL
•
NOMINAL LENGTH: 1.6875 INCHES ALL ENDS IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.125 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
NOMINAL LENGTH1.6875 INCHES ALL ENDS IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.125 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8156K51?
8156K51 is a COCK,DRAIN.
What is the NSN for 8156K51?
8156K51 is cataloged in the U.S. Government catalog under NSN 4820-01-607-3814. 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.