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10502557 — COCK,DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

10502557: COCK,DRAIN.

The COCK,DRAIN is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, flow_control_device: STEM, nominal_thread_size: 0.250 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-167-1698, 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
10502557
NSN: 4820-01-167-1698
FSC: 4820 — Valves, Nonpowered
CAGE: 56161 — GENERAL DYNAMICS LAND SYSTEMS CANADACORP (CAN)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceSTEM
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
thread_series_designatorNPTF ALL ENDS
NSN4820-01-167-1698
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 10502557 · 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: STEM
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPTF ALL ENDS
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 1
276068NSame 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 10502557?
10502557 is a COCK,DRAIN.
What parts can replace 10502557?
There is 1 known substitute for 10502557: 276068N. Substitute compatibility should be verified for your specific system.
What is the NSN for 10502557?
10502557 is cataloged in the U.S. Government catalog under NSN 4820-01-167-1698. 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.