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561X16 — COCK,SHUTOFF,SCREW STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

561X16: COCK,SHUTOFF,SCREW STEM.

The COCK,SHUTOFF,SCREW STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, 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: DISK OR STEM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-254-8637, 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
561X16
NSN: 4820-00-254-8637
FSC: 4820 — Valves, Nonpowered
CAGE: 83179 — JOY MFG CO AIR POWER GROUP MICHIGAN CITY PLANT (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceDISK OR STEM
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
thread_series_designatorNPT ALL ENDS
NSN4820-00-254-8637
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 561X16 · 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: DISK OR 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
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK OR STEM
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
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 6
194813Reference document
Same NSN cross-reference
Reference document — Secondary reference
906037-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
571-8900-1456418PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
108360Reference document
Same NSN cross-reference
Reference document — Secondary reference
10163082Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6815Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 561X16?
561X16 is a COCK,SHUTOFF,SCREW STEM.
What parts can replace 561X16?
There are 6 known substitutes for 561X16: 194813, 906037-16, 571-8900-1456418PC2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 561X16?
561X16 is cataloged in the U.S. Government catalog under NSN 4820-00-254-8637. 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.