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PartsTable / COMPONENT / B74-1-4
B74-1-4 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The B74-1-4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-813-4659, 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
B74-1-4
NSN: 4820-00-813-4659
FSC: 4820
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
Part NumberB74-1-4
NSN4820-00-813-4659
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B74-1-4 · 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
•
MATERIAL: STEEL COMP 420 OR COPPER ALLOY 694 SEAT
•
FLOW CONTROL DEVICE: DISK
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
FEATURES PROVIDED: BONNET PACKING
•
RENEWABLE SEAT RING TYPE: THREADED
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MAXIMUM OPERATING TEMP: 550.0 FAHRENHEIT FIRST RESPONSE DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276 TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 420 OR COPPER ALLOY 694 SEAT
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
FEATURES PROVIDEDBONNET PACKING
RENEWABLE SEAT RING TYPETHREADED
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT FIRST RESPONSE DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
B74Interchangeable
interchangeable cross-reference
interchangeable
6187K168Interchangeable
interchangeable cross-reference
interchangeable
B563Interchangeable
interchangeable cross-reference
interchangeable
A1095-8Interchangeable
interchangeable cross-reference
interchangeable
51104Interchangeable
interchangeable cross-reference
interchangeable
19280Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B74-1-4?
B74-1-4 is a B74-1-4.
What parts can replace B74-1-4?
There are 14 known substitutes for B74-1-4: B74, 6187K168, B563 and 11 more. Substitute compatibility should be verified for your specific system.
Is B74-1-4 still available?
B74-1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026