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390-0045 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

390-0045: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include bearings: NOT INCLUDED, material: IRON CAST OVERALL, bore_type: STRAIGHT, face_width: 1.828 INCHES NOMINAL IN, bore_length: 0.750 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-295-6176, 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
390-0045
NSN: 4820-01-295-6176
FSC: 4820 — Valves, Nonpowered
CAGE: 36513 — ATLAS POLAR COMPANY LIMITED DIV ATLAS POLAR COMPANY LTD (CAN)
SPECIFICATIONS
bearingsNOT INCLUDED
materialIRON CAST OVERALL
bore_typeSTRAIGHT
face_width1.828 INCHES NOMINAL IN
bore_length0.750 INCHES NOMINAL IN
design_formWEBBED
bore_featureINCLUDED
groove_depth0.562 INCHES MINIMUM IN
groove_shapeV
groove_width0.500 INCHES NOMINAL IN
keyway_width0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
bore_diameter0.670 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
NSN4820-01-295-6176
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 390-0045 · 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
SUBSTITUTES & CROSS-REFERENCES 2
10524157Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3906329Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 390-0045?
390-0045 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 390-0045?
There are 2 known substitutes for 390-0045: 10524157, 3906329. Substitute compatibility should be verified for your specific system.
What is the NSN for 390-0045?
390-0045 is cataloged in the U.S. Government catalog under NSN 4820-01-295-6176. This indicates validated use in U.S. government and defense supply chains.
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