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Technical Data Sheet
PartsTable / MRO / 408670
408670 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

PARTS KIT,DIAPHRAGM REPLACEMENT. Key specifications include material: PLASTIC CASE, body_style: MULTIPOLE-SINGLE ACTUATOR TYPE, body_width: 2.250 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, reset_method: MANUAL, bushing_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-039-6572, 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
MRO→ MRO_GENERAL→ 408670
NSN: 4820-00-039-6572
FSC: 4820
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleMULTIPOLE-SINGLE ACTUATOR TYPE
body_width2.250 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
reset_methodMANUAL
pole_quantity3
bushing_length0.625 INCHES NOMINAL IN
fragility_factorMODERATELY RUGGED
actuator_functionTRIP-RESET
component_quantity3
nominal_thread_size0.500 INCHES IN
trip_release_methodMAGNETIC-HYDRAULIC ALL LOCATIONS
NSN4820-00-039-6572
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 408670 · 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
•
NONSUPPLY ITEMS AND QUANTITIES: 06853 202595 DIAPHRAGM 1; 06853 202735 GASKET 1; 06853 211367 1
•
COMPONENT QUANTITY: 3
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIES06853 202595 DIAPHRAGM 1; 06853 202735 GASKET 1; 06853 211367 1
COMPONENT QUANTITY3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
APGN-666-9056-1Interchangeable
interchangeable cross-reference
interchangeable
408670Interchangeable
interchangeable cross-reference
interchangeable
691903Interchangeable
interchangeable cross-reference
interchangeable
280457Interchangeable
interchangeable cross-reference
interchangeable
21365Interchangeable
interchangeable cross-reference
interchangeable
221365Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 408670?
408670 is a PARTS KIT,DIAPHRAGM REPLACEMENT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 408670?
There are 14 known substitutes for 408670: APGN-666-9056-1, 408670, 691903 and 11 more. Substitute compatibility should be verified for your specific system.
Is 408670 still available?
408670 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