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Technical Data Sheet
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1146-208S 100 — 1146-208S 100

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1146-208S 100: 1146-208S 100.

The 1146-208S 100 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-454-9941, 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
1146-208S 100
NSN: 4820-01-454-9941
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1146-208S 100
NSN4820-01-454-9941
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1146-208S 100 · 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
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FURNISHED ITEMS AND QUANTITY: 1 LOCKING DEVICE
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES IN
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MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
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OPERATING PRESSURE AND TYPE: 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
CONNECTION TYPE: BRAZING, PIPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 LOCKING DEVICE
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED150.0 FAHRENHEIT WATER-OIL-GAS DEGF
OPERATING PRESSURE AND TYPE400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
CONNECTION TYPEBRAZING, PIPE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE1.000 INCHES IN
MATERIALCOPPER ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 3
1146-208SReference document
Same NSN cross-reference
Reference document — Secondary reference
1146-208-F-0003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1146-208S 1IN WReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1146-208S 100?
1146-208S 100 is a 1146-208S 100.
What parts can replace 1146-208S 100?
There are 3 known substitutes for 1146-208S 100: 1146-208S, 1146-208-F-0003, 1146-208S 1IN W. Substitute compatibility should be verified for your specific system.
What is the NSN for 1146-208S 100?
1146-208S 100 is cataloged in the U.S. Government catalog under NSN 4820-01-454-9941. This indicates validated use in U.S. government and defense supply chains.
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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.