PartsTable
Technical Data Sheet
420945-1 ✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include bracket: NOT PROVIDED, carrying_case: NOT PROVIDED, focusing_type: FIXED, magnification: 0.4X NOMINAL, scale_markings: NOT PROVIDED, special_features: NHA: 1005-01-571-7212. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-145-5907, 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
420945-1
NSN: 4820-01-145-5907
FSC: 4820
CAGE: 79318 — MEGGITT NORTH HOLLYWOOD INC (USA)
SPECIFICATIONS
bracketNOT PROVIDED
carrying_caseNOT PROVIDED
focusing_typeFIXED
magnification0.4X NOMINAL
scale_markingsNOT PROVIDED
special_featuresNHA: 1005-01-571-7212
magnification_typeFIXED
optical_device_typeLENS
objective_aperture_diameter32.0 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyTELESCOPE ASSY,BORESIGHT,COMMON
NSN4820-01-145-5907
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 420945-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
100453Interchangeable
interchangeable cross-reference
interchangeable
8-1001Interchangeable
interchangeable cross-reference
interchangeable
80004CInterchangeable
interchangeable cross-reference
interchangeable
10089APC1Interchangeable
interchangeable cross-reference
interchangeable
8100/1Interchangeable
interchangeable cross-reference
interchangeable
81001ADXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420945-1?
420945-1 is a VALVE,CHECK.
What parts can replace 420945-1?
There are 24 known substitutes for 420945-1: 100453, 8-1001, 80004C and 21 more. Substitute compatibility should be verified for your specific system.
Is 420945-1 still available?
420945-1 is currently cancelled.
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