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PartsTable / COMPONENT / MS35670-4B
MS35670-4B ✓ 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, disk_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-542-5683, 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
MS35670-4B
NSN: 4820-00-542-5683
FSC: 4820
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
disk_loading_methodSPRING
flow_control_deviceBALL
nominal_thread_size0.125 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
opening_pressure_setting25.0 POUNDS PER SQUARE INCH LBS
thread_series_designatorPTF-SPL SHORT ALL ENDS
NSN4820-00-542-5683
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MS35670-4B · 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
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SERIES DESIGNATOR: PTF-SPL SHORT ALL ENDS
•
FLOW CONTROL DEVICE: BALL
•
DISK LOADING METHOD: SPRING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
THREAD SERIES DESIGNATORPTF-SPL SHORT ALL ENDS
FLOW CONTROL DEVICEBALL
DISK LOADING METHODSPRING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
OPENING PRESSURE SETTING25.0 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
6412Interchangeable
interchangeable cross-reference
interchangeable
5679Interchangeable
interchangeable cross-reference
interchangeable
8011FInterchangeable
interchangeable cross-reference
interchangeable
G47100Interchangeable
interchangeable cross-reference
interchangeable
054225Interchangeable
interchangeable cross-reference
interchangeable
M00821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35670-4B?
MS35670-4B is a VALVE,SAFETY RELIEF.
What parts can replace MS35670-4B?
There are 19 known substitutes for MS35670-4B: 6412, 5679, 8011F and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35670-4B?
MS35670-4B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-542-5683. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026