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1146-083S 14 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1146-083S 14: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY DISK, stem_type: NONRISING, valve_size: 0.250 INCHES IN, bonnet_type: PACKING RETAINING, connection_type: THREADED EXTERNAL TUBE, special_features: MISCELLANEOUS END ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-467-3124, 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
1146-083S 14
NSN: 4820-01-467-3124
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY DISK
stem_typeNONRISING
valve_size0.250 INCHES IN
bonnet_typePACKING RETAINING
connection_typeTHREADED EXTERNAL TUBE
special_featuresMISCELLANEOUS END ITEMS
valve_operation_methodMANUAL
end_item_identificationNIMITZ CLASS CVN
furnished_items_and_quantity1 GASKET AND 1 HANDWHEEL AND 2 NUT AND 1 TAILPIECE
inlet_relationship_with_outletIDENTICAL
precious_material_and_locationTAILPIECE BRAZED SILVER
material_document_and_classificationASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE DISK
NSN4820-01-467-3124
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1146-083S 14 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 GASKET AND 1 HANDWHEEL AND 2 NUT AND 1 TAILPIECE
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 400.0 FAHRENHEIT STEAM AND 400.0 FAHRENHEIT WATER AND 300.0 FAHRENHEIT AIR DEGF
•
OPERATING PRESSURE AND TYPE: 345.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 365.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED AND 375.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: NONRISING
•
CONNECTION TYPE: THREADED EXTERNAL TUBE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 GASKET AND 1 HANDWHEEL AND 2 NUT AND 1 TAILPIECE
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED400.0 FAHRENHEIT STEAM AND 400.0 FAHRENHEIT WATER AND 300.0 FAHRENHEIT AIR DEGF
OPERATING PRESSURE AND TYPE345.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 365.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED AND 375.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPENONRISING
CONNECTION TYPETHREADED EXTERNAL TUBE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-286 FED STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-286 FED STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE 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 2
803-1385714Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1146-083S .25INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 1146-083S 14?
1146-083S 14 is a VALVE,GATE.
What parts can replace 1146-083S 14?
There are 2 known substitutes for 1146-083S 14: 803-1385714, 1146-083S .25IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 1146-083S 14?
1146-083S 14 is cataloged in the U.S. Government catalog under NSN 4820-01-467-3124. 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.