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Technical Data Sheet
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2501021 — HOUSING,BEARING UNIT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2501021: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4810-00-153-0974, 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
2501021
NSN: 4810-00-153-0974
NIINs: 001530974, 010318536
FSC: 4810 — Valves, Powered
CAGE: 0CFU1 — CURTISS-WRIGHT CONTROLS INTEGRATED SENSING, INC. DBA PREDATOR SYSTEMS (USA)
SPECIFICATIONS
Part Number2501021
NSN4810-00-153-0974
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2501021 · 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 1
AF59CA17Same 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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 2501021?
2501021 is a HOUSING,BEARING UNIT.
What parts can replace 2501021?
There is 1 known substitute for 2501021: AF59CA17. Substitute compatibility should be verified for your specific system.
What is the NSN for 2501021?
2501021 is cataloged in the U.S. Government catalog under NSN 4810-00-153-0974. This indicates validated use in U.S. government and defense supply chains.
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