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7973975 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7973975: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN, OPTIONAL END (PIPE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND SECOND END, mounting_position: HORIZONTAL, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-203-0613, 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
7973975
NSN: 4820-00-203-0613
FSC: 4820 — Valves, Nonpowered
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN, OPTIONAL END (PIPE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND SECOND END
mounting_positionHORIZONTAL
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES SECOND END IN
valve_operation_methodAUTOMATIC
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
thread_quantity_per_inch27 FIRST END
thread_series_designatorNPTF FIRST END
NSN4820-00-203-0613
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7973975 · 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: POPPET
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) FIRST END
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES FIRST END IN
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
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 7973975?
7973975 is a VALVE,CHECK.
What is the NSN for 7973975?
7973975 is cataloged in the U.S. Government catalog under NSN 4820-00-203-0613. This indicates validated use in U.S. government and defense supply chains.
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