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PartsTable / COMPONENT / 301257 ASSY 640030-01
301257 ASSY 640030-01 ✓ 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,ACTUATOR is a the manufacturer industrial component. Key specifications include body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND MONOLITHIC AND MEDIUM SPEED, precious_material: GOLD, inclosure_material: CERAMIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-619-8987, 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
301257 ASSY 640030-01
NSN: 4810-01-619-8987
FSC: 4810
CAGE: 98032 — TRI-TEC MANUFACTURING LLC (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND MONOLITHIC AND MEDIUM SPEED
precious_materialGOLD
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
fsc_application_dataAIRBORNE INERTIAL NAVIGATION SYSTEN
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternQUAD 2 INPUT
end_item_identification66051754017
inclosure_configurationDUAL-IN-LINE
NSN4810-01-619-8987
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 301257 ASSY 640030-01 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
64003-001Interchangeable
interchangeable cross-reference
interchangeable
4136DC0RInterchangeable
interchangeable cross-reference
interchangeable
0N270521Interchangeable
interchangeable cross-reference
interchangeable
MIL-M-38510/110Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301257 ASSY 640030-01?
301257 ASSY 640030-01 is a VALVE,ACTUATOR.
What parts can replace 301257 ASSY 640030-01?
There are 4 known substitutes for 301257 ASSY 640030-01: 64003-001, 4136DC0R, 0N270521 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 301257 ASSY 640030-01?
301257 ASSY 640030-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-619-8987. 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