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44B3021-459 — RETAINER,SPRING,UPPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

44B3021-459: RETAINER,SPRING,UPPER.

The RETAINER,SPRING,UPPER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-170-5363, 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
44B3021-459
NSN: 4820-01-170-5363
NIINs: 011705363, 012626064
FSC: 4820 — Valves, Nonpowered
CAGE: 10855 — CARRIER CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
NSN4820-01-170-5363
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 44B3021-459 · 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
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
44B3721-467DReference document
Same NSN cross-reference
Reference document — Drawing number reference only
44B3721-467D PIECE 16A19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
44B3721-59Reference 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 44B3021-459?
44B3021-459 is a RETAINER,SPRING,UPPER.
What parts can replace 44B3021-459?
There are 3 known substitutes for 44B3021-459: 44B3721-467D, 44B3721-467D PIECE 16A19, 44B3721-59. Substitute compatibility should be verified for your specific system.
What is the NSN for 44B3021-459?
44B3021-459 is cataloged in the U.S. Government catalog under NSN 4820-01-170-5363. This indicates validated use in U.S. government and defense supply chains.
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