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1146-009 MODIFIED — 1146-009 MODIFIED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1146-009 MODIFIED: 1146-009 MODIFIED.

The 1146-009 MODIFIED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-454-1674, 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
1146-009 MODIFIED
NSN: 4820-01-454-1674
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1146-009 MODIFIED
NSN4820-01-454-1674
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1146-009 MODIFIED · 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: 0.750 INCHES IN
•
STEM TYPE: RISING
•
CONNECTION TYPE: SOCKET, WELD, PIPE
•
VALVE SIZE: 0.750 INCHES IN
•
BONNET TYPE: PACKING RETAINING
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES IN
STEM TYPERISING
CONNECTION TYPESOCKET, WELD, PIPE
VALVE SIZE0.750 INCHES IN
BONNET TYPEPACKING RETAINING
SPECIAL FEATURES0.250 IN. DIA HOLE DRILLED THROUGH CTR OF CLOSED GATE. IN
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
SUBSTITUTES & CROSS-REFERENCES 2
10142Reference document
Same NSN cross-reference
Reference document — Secondary reference
1146-009U 34Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1146-009 MODIFIED?
1146-009 MODIFIED is a 1146-009 MODIFIED.
What parts can replace 1146-009 MODIFIED?
There are 2 known substitutes for 1146-009 MODIFIED: 10142, 1146-009U 34. Substitute compatibility should be verified for your specific system.
What is the NSN for 1146-009 MODIFIED?
1146-009 MODIFIED is cataloged in the U.S. Government catalog under NSN 4820-01-454-1674. 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.