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B512-1-B — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B512-1-B: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 8.295 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.500 INCHES NOMINAL IN, valve_size_for_which_designed: 0.750 INCHES IN, valve_type_for_which_designed: GLOBE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-181-9445, 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
B512-1-B
NSN: 4820-00-181-9445
NIINs: 001819445, 011190725
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length8.295 INCHES NOMINAL IN
special_featuresP/N 500976 CONSISTS OF 1 500974 STEM STOP; 1 501295 DISC; 1 500973 STEM RING; 1 C30014 WASHER, CURRENT P/N; 3 500975 BELLVILLE SPRINGS
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.500 INCHES NOMINAL IN
valve_size_for_which_designed0.750 INCHES IN
valve_type_for_which_designedGLOBE
NSN4820-00-181-9445
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B512-1-B · 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
SUBSTITUTES & CROSS-REFERENCES 9
C512-1-BREVA/C512-1-B2/882057806Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MILV22094Reference document
Same NSN cross-reference
Reference document — Secondary reference
B512-1-B CHG TA-11 B512-1-B1Reference document
Same NSN cross-reference
Reference document — Secondary reference
81551-01-3/4INCID882057719Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
81551-01 3-4INReference document
Same NSN cross-reference
Reference document — Secondary reference
803-5184193Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B512-1-B?
B512-1-B is a STEM,FLUID VALVE.
What parts can replace B512-1-B?
There are 9 known substitutes for B512-1-B: C512-1-BREVA/C512-1-B2/882057806, MILV22094, B512-1-B CHG TA-11 B512-1-B1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B512-1-B?
B512-1-B is cataloged in the U.S. Government catalog under NSN 4820-00-181-9445. This indicates validated use in U.S. government and defense supply chains.
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