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Technical Data Sheet
PartsTable / COMPONENT / 3635-1
3635-1 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_length: 0.375 INCHES MAXIMUM IN, thread_class: 2A ALL ENDS A, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: FULLY INCLOSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-119-3725, 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
3635-1
NSN: 4820-00-119-3725
FSC: 4820
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_length0.375 INCHES MAXIMUM IN
thread_class2A ALL ENDS A
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
quality_factor80 MINIMUM SINGLE COMPONENT SINGLE WINDING
mounting_methodTERMINAL SINGLE GROUP
special_featuresWEAPON SYSTEM ESSENTIAL
thread_directionRIGHT-HAND ALL ENDS
inductance_rating1.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
surface_treatmentZINC
NSN4820-00-119-3725
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3635-1 · 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
•
THREAD CLASS: 2A ALL ENDS A
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A ALL ENDS A
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
THREAD SERIES DESIGNATORUNF ALL ENDS
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATION3810-00-937-3939
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
SURFACE TREATMENTZINC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
139820Interchangeable
interchangeable cross-reference
interchangeable
2110-0015Interchangeable
interchangeable cross-reference
interchangeable
26-136P22Interchangeable
interchangeable cross-reference
interchangeable
7-641297Interchangeable
interchangeable cross-reference
interchangeable
641297Interchangeable
interchangeable cross-reference
interchangeable
AN6204-1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3635-1?
3635-1 is a COIL,RADIO FREQUENCY.
What parts can replace 3635-1?
There are 23 known substitutes for 3635-1: 139820, 2110-0015, 26-136P22 and 20 more. Substitute compatibility should be verified for your specific system.
Is 3635-1 still available?
3635-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026