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P-645 — NIPPLE,TUBE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P-645: NIPPLE,TUBE.

The NIPPLE,TUBE is a the manufacturer industrial component. Key specifications include style_designator: CENTER WRENCHING FACILITY, end_item_identification: 6665-01-452-9644. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-372-0714, 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
P-645
NSN: 4820-00-372-0714
NIINs: 003720714, 003992867, 015481276
FSC: 4820 — Valves, Nonpowered
CAGE: 71905 — DERBYSHIRE MACHINE & TOOL CO (USA)
SPECIFICATIONS
special_features1/4-28 MALE TO 1/4-28MALE UNION. CAN BE USED AS A 1-PIECE CONNECTOR BETWEEN TWO 1/4-28 FEMALE PORTS. UNION HAS 1/4-28 MALE THREADS.
style_designatorCENTER WRENCHING FACILITY
end_item_identification6665-01-452-9644
NSN4820-00-372-0714
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P-645 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONVALVE ANGLE 3.00IPS
SUBSTITUTES & CROSS-REFERENCES 1
4171Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 P-645?
P-645 is a NIPPLE,TUBE.
What parts can replace P-645?
There is 1 known substitute for P-645: 4171. Substitute compatibility should be verified for your specific system.
What is the NSN for P-645?
P-645 is cataloged in the U.S. Government catalog under NSN 4820-00-372-0714. This indicates validated use in U.S. government and defense supply chains.
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