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45A221-P3 — MOUNT TOP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

45A221-P3: MOUNT TOP,VALVE.

The MOUNT TOP,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: TOP MOUNT,FORMED STEEL,O/A LG 5.000,WIDTH 3.000,CENTER HOLE 1.500 DIA. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-157-3527, 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
45A221-P3
NSN: 4810-01-157-3527
FSC: 4810 — Valves, Powered
CAGE: 088A2 — C SYSTEMS LLC DBA CRAIG SYSTEMS DBA EASTERN TECHNOLOGIES (USA)
SPECIFICATIONS
general_characteristics_item_descriptionTOP MOUNT,FORMED STEEL,O/A LG 5.000,WIDTH 3.000,CENTER HOLE 1.500 DIA
NSN4810-01-157-3527
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45A221-P3 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: TOP MOUNT,FORMED STEEL,O/A LG 5.000,WIDTH 3.000,CENTER HOLE 1.500 DIA
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONTOP MOUNT,FORMED STEEL,O/A LG 5.000,WIDTH 3.000,CENTER HOLE 1.500 DIA
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
2BC867Reference 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 45A221-P3?
45A221-P3 is a MOUNT TOP,VALVE.
What parts can replace 45A221-P3?
There is 1 known substitute for 45A221-P3: 2BC867. Substitute compatibility should be verified for your specific system.
What is the NSN for 45A221-P3?
45A221-P3 is cataloged in the U.S. Government catalog under NSN 4810-01-157-3527. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.