PartsTable
Technical Data Sheet
Download PDF

V1021 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

V1021: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, stem_type: NONRISING, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SCREW, pressure_class: ERR-060, connection_type: THREADED INTERNAL PIPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-383-3234, 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
V1021
NSN: 4820-00-383-3234
FSC: 4820 — Valves, Nonpowered
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
stem_typeNONRISING
valve_size0.500 INCHES IN
bonnet_typeINSIDE SCREW
pressure_classERR-060
connection_typeTHREADED INTERNAL PIPE
features_providedBONNET PACKING
nominal_thread_size0.500 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT
nondefinitive_spec/std_dataI TYPE AND A CLASS AND 1 STYLE
NSN4820-00-383-3234
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: V1021 · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES IN
•
STEM TYPE: NONRISING
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
VALVE SIZE: 0.500 INCHES IN
•
FEATURES PROVIDED: BONNET PACKING
•
BONNET TYPE: INSIDE SCREW
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES IN
STEM TYPENONRISING
CONNECTION TYPETHREADED INTERNAL PIPE
VALVE SIZE0.500 INCHES IN
FEATURES PROVIDEDBONNET PACKING
BONNET TYPEINSIDE SCREW
NOMINAL THREAD SIZE0.500 INCHES IN
NONDEFINITIVE SPEC/STD DATAI TYPE AND A CLASS AND 1 STYLE
BONNET ATTACHMENT METHODTHREADED
SUBSTITUTES & CROSS-REFERENCES 2
WWV54Reference document
Same NSN cross-reference
Reference document — Identification reference
81223-0101Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy V1021?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is V1021?
V1021 is a VALVE,GATE.
What parts can replace V1021?
There are 2 known substitutes for V1021: WWV54, 81223-0101. Substitute compatibility should be verified for your specific system.
What is the NSN for V1021?
V1021 is cataloged in the U.S. Government catalog under NSN 4820-00-383-3234. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — V1021

✓ 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.