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721905-12 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

721905-12: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAT, stem_type: NONRISING, valve_size: 0.375 INCHES IN, bonnet_type: INSIDE SCREW, features_provided: BONNET PACKING, nominal_thread_size: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-132-3136, 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
721905-12
NSN: 4820-00-132-3136
FSC: 4820 — Valves, Nonpowered
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAT
stem_typeNONRISING
valve_size0.375 INCHES IN
bonnet_typeINSIDE SCREW
features_providedBONNET PACKING
nominal_thread_size0.375 INCHES IN
valve_operation_methodAIR
bonnet_attachment_methodTHREADED
thread_series_designatorNPT
inlet_relationship_with_outletIDENTICAL
NSN4820-00-132-3136
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 721905-12 · 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
•
STEM TYPE: NONRISING
•
VALVE SIZE: 0.375 INCHES IN
•
FEATURES PROVIDED: BONNET PACKING
•
BONNET TYPE: INSIDE SCREW
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
BONNET ATTACHMENT METHOD: THREADED
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
STEM TYPENONRISING
VALVE SIZE0.375 INCHES IN
FEATURES PROVIDEDBONNET PACKING
BONNET TYPEINSIDE SCREW
NOMINAL THREAD SIZE0.375 INCHES IN
BONNET ATTACHMENT METHODTHREADED
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALCOPPER ALLOY DISK
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
T22 3-8Reference 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 721905-12?
721905-12 is a VALVE,GATE.
What parts can replace 721905-12?
There is 1 known substitute for 721905-12: T22 3-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 721905-12?
721905-12 is cataloged in the U.S. Government catalog under NSN 4820-00-132-3136. 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.