PartsTable
Technical Data Sheet
640001 ✓ 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

TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include color: BLACK, width: 1.563 INCHES NOMINAL IN, height: 1.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, block_type: REGULAR, overall_width: 1.310 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-629-0299, 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
640001
NSN: 4820-00-629-0299
FSC: 4820
CAGE: 83533 — ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION (USA)
SPECIFICATIONS
colorBLACK
width1.563 INCHES NOMINAL IN
height1.000 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
block_typeREGULAR
overall_width1.310 INCHES NOMINAL IN
overall_height0.670 INCHES NOMINAL IN
overall_length4.330 INCHES NOMINAL IN
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
mounting_methodSCREW
terminal_designFEEDTHRU
NSN4820-00-629-0299
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 640001 · 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: DISK
CONNECTION STYLE: BEADED (HOSE) FIRST END
MATERIAL: ALUMINUM ALLOY SEAT
SURFACE TREATMENT: ANODIZE
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.000 INCHES FIRST END IN
OPERATING PRESSURE: 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
CONNECTION STYLEBEADED (HOSE) FIRST END
MATERIALALUMINUM ALLOY SEAT
MATERIALALUMINUM ALLOY BODY
SURFACE TREATMENTANODIZE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.000 INCHES FIRST END IN
OPERATING PRESSURE10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MS28042-4AInterchangeable
interchangeable cross-reference
interchangeable
NASM28042Interchangeable
interchangeable cross-reference
interchangeable
MS28042-4Interchangeable
interchangeable cross-reference
interchangeable
640001Interchangeable
interchangeable cross-reference
interchangeable
640005Interchangeable
interchangeable cross-reference
interchangeable
NH1004237Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640001?
640001 is a TERMINAL JUNCTION BLOCK,SECTIONA.
What parts can replace 640001?
There are 7 known substitutes for 640001: MS28042-4A, NASM28042, MS28042-4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 640001?
640001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-629-0299. This indicates validated use in U.S. government and defense supply chains.
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