PartsTable
Technical Data Sheet
M7908-7 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: INVERTED FLARE (TUBE) SECOND END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-528-2356, 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
M7908-7
NSN: 4820-00-528-2356
FSC: 4820
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleINVERTED FLARE (TUBE) SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND SECOND END
mounting_positionHORIZONTAL
operating_pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceCONE
nominal_thread_size0.500 INCHES FIRST END IN
face_to_face_distance2.125 INCHES IN
media_for_which_designedOXYGEN, GASEOUS SINGLE RESPONSE
NSN4820-00-528-2356
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: M7908-7 · 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 THREAD SIZE: 0.500 INCHES FIRST END IN
THREAD DIRECTION: RIGHT-HAND SECOND END
THREAD QUANTITY PER INCH: 18 SECOND END
CONNECTION STYLE: INVERTED FLARE (TUBE) SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES FIRST END IN
SEAT ANGLE: 37.0 DEGREES FIRST END
FACE TO FACE DISTANCE: 2.125 INCHES IN
THREAD SERIES DESIGNATOR: ANPT SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 SECOND END
CONNECTION STYLEINVERTED FLARE (TUBE) SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
FACE TO FACE DISTANCE2.125 INCHES IN
THREAD SERIES DESIGNATORANPT SECOND END
NONDEFINITIVE SPEC/STD DATAG STYLE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
ST897Interchangeable
interchangeable cross-reference
interchangeable
84603Interchangeable
interchangeable cross-reference
interchangeable
6F2956Interchangeable
interchangeable cross-reference
interchangeable
9803Interchangeable
interchangeable cross-reference
interchangeable
46S670Interchangeable
interchangeable cross-reference
interchangeable
KH03ZG280Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M7908-7?
M7908-7 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace M7908-7?
There are 26 known substitutes for M7908-7: ST897, 84603, 6F2956 and 23 more. Substitute compatibility should be verified for your specific system.
Is M7908-7 still available?
M7908-7 is currently cancelled.
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