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PartsTable / COMPONENT / 56691-001
56691-001 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The COCK,SHUTOFF,SCREW STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN, OPTIONAL END (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, flow_control_device: DISK. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-865-6946, 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
56691-001
NSN: 4820-00-865-6946
FSC: 4820
CAGE: U3788 — VERMEER EQUIPMENT (UK) LTD (GBR)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN, OPTIONAL END (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceDISK
nominal_thread_size0.125 INCHES ALL ENDS IN
valve_operation_methodMANUAL
end_item_identificationGRUMMAN AEROSPACE A-10 AIRCRAFT
thread_series_designatorNPTF ALL ENDS
nominal_pipe_size_accommodated0.250 INCHES FIRST END IN
NSN4820-00-865-6946
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 56691-001 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
VALVE OPERATION METHOD: MANUAL
•
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY OVERALL
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END IN
VALVE OPERATION METHODMANUAL
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OVERALL
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPTF ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
6805Interchangeable
interchangeable cross-reference
interchangeable
14U1031PCDA6805Interchangeable
interchangeable cross-reference
interchangeable
RS13500-300Interchangeable
interchangeable cross-reference
interchangeable
5331720Interchangeable
interchangeable cross-reference
interchangeable
97155Interchangeable
interchangeable cross-reference
interchangeable
A24478-38Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56691-001?
56691-001 is a COCK,SHUTOFF,SCREW STEM.
What parts can replace 56691-001?
There are 21 known substitutes for 56691-001: 6805, 14U1031PCDA6805, RS13500-300 and 18 more. Substitute compatibility should be verified for your specific system.
Is 56691-001 still available?
56691-001 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026