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512T03 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

512T03: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY DISK, stem_type: RISING, valve_size: 0.500 INCHES IN, bonnet_type: PACKING RETAINING, face_to_face_distance: 1.890 INCHES IN, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-681-0197, 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
512T03
NSN: 4820-01-681-0197
FSC: 4820 — Valves, Nonpowered
CAGE: 3TLA8 — MATCO-NORCA, INC. DBA MATCO PRODUCTS (USA)
SPECIFICATIONS
materialCOPPER ALLOY DISK
stem_typeRISING
valve_size0.500 INCHES IN
bonnet_typePACKING RETAINING
face_to_face_distance1.890 INCHES IN
valve_operation_methodMANUAL
inlet_relationship_with_outletIDENTICAL
part_name_assigned_by_controlling_agency512 BRONZE GATE VALVE
body_material_document_and_classificationB584 C83600 ASSN STD SINGLE MATERIAL RESPONSE
stem_material_document_and_classificationB21 C48200 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-681-0197
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 512T03 · 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
•
BODY MATERIAL DOCUMENT AND CLASSIFICATION: B584 C83600 ASSN STD SINGLE MATERIAL RESPONSE
•
STEM TYPE: RISING
•
VALVE SIZE: 0.500 INCHES IN
•
BONNET TYPE: PACKING RETAINING
•
FACE TO FACE DISTANCE: 1.890 INCHES IN
•
STEM MATERIAL DOCUMENT AND CLASSIFICATION: B21 C48200 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
BODY MATERIAL DOCUMENT AND CLASSIFICATIONB584 C83600 ASSN STD SINGLE MATERIAL RESPONSE
STEM TYPERISING
VALVE SIZE0.500 INCHES IN
BONNET TYPEPACKING RETAINING
FACE TO FACE DISTANCE1.890 INCHES IN
STEM MATERIAL DOCUMENT AND CLASSIFICATIONB21 C48200 ASSN STD SINGLE MATERIAL RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCY512 BRONZE GATE VALVE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
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

No substitute or cross-reference records for this part.

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 512T03?
512T03 is a VALVE,GATE.
What is the NSN for 512T03?
512T03 is cataloged in the U.S. Government catalog under NSN 4820-01-681-0197. 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.