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PartsTable / COMPONENT / 44576 REV 3 ITEM 46221
44576 REV 3 ITEM 46221 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include shape: SQUARE, material: CERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE, body_style: REJECTION GROOVE TYPE, body_width: 0.250 INCHES NOMINAL IN, body_height: 0.125 INCHES MAXIMUM IN, body_length: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-428-6397, 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
44576 REV 3 ITEM 46221
NSN: 4820-01-428-6397
FSC: 4820
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
shapeSQUARE
materialCERAMIC OR FIBER OR GLASS OR PLASTIC MELAMINE CASE
body_styleREJECTION GROOVE TYPE
body_width0.250 INCHES NOMINAL IN
body_height0.125 INCHES MAXIMUM IN
body_length0.250 INCHES NOMINAL IN
overall_width0.312 INCHES NOMINAL IN
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length2.000 INCHES NOMINAL IN
frequency_rating200.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
overall_diameter0.562 INCHES NOMINAL IN
NSN4820-01-428-6397
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 44576 REV 3 ITEM 46221 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3506-0312Interchangeable
interchangeable cross-reference
interchangeable
OO-C-851Interchangeable
interchangeable cross-reference
interchangeable
A-A-51130Interchangeable
interchangeable cross-reference
interchangeable
46221Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-383Interchangeable
interchangeable cross-reference
interchangeable
75694-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44576 REV 3 ITEM 46221?
44576 REV 3 ITEM 46221 is a PISTON,VALVE.
What parts can replace 44576 REV 3 ITEM 46221?
There are 15 known substitutes for 44576 REV 3 ITEM 46221: 3506-0312, OO-C-851, A-A-51130 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 44576 REV 3 ITEM 46221?
44576 REV 3 ITEM 46221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-428-6397. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026