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Technical Data Sheet
PartsTable / COMPONENT / B-135 3/4IN.
B-135 3/4IN. ✓ 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 B-135 3/4IN. is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-554-8714, 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
B-135 3/4IN.
NSN: 4820-00-554-8714
FSC: 4820
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
Part NumberB-135 3/4IN.
NSN4820-00-554-8714
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-135 3/4IN. · 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 DOCUMENT AND CLASSIFICATION: ASTM B584 ALLOY C87500 ASSN STD SINGLE MATERIAL RESPONSE STEM
•
FEATURES PROVIDED: BONNET PACKING
•
MATERIAL: COPPER ALLOY 922 BODY
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 550.0 FAHRENHEIT STEAM DEGF
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
PRESSURE CLASS: ERR-060
•
OPERATING PRESSURE AND TYPE: 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B584 ALLOY C87500 ASSN STD SINGLE MATERIAL RESPONSE STEM
FEATURES PROVIDEDBONNET PACKING
MATERIALCOPPER ALLOY 922 BODY
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED550.0 FAHRENHEIT STEAM DEGF
NOMINAL THREAD SIZE0.750 INCHES IN
PRESSURE CLASSERR-060
OPERATING PRESSURE AND TYPE200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPENONRISING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
B13534Interchangeable
interchangeable cross-reference
interchangeable
98G275Interchangeable
interchangeable cross-reference
interchangeable
154C751Interchangeable
interchangeable cross-reference
interchangeable
42434Interchangeable
interchangeable cross-reference
interchangeable
77M1632ZD7JInterchangeable
interchangeable cross-reference
interchangeable
B1-32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-135 3/4IN.?
B-135 3/4IN. is a B-135 3/4IN..
What parts can replace B-135 3/4IN.?
There are 21 known substitutes for B-135 3/4IN.: B13534, 98G275, 154C751 and 18 more. Substitute compatibility should be verified for your specific system.
Is B-135 3/4IN. still available?
B-135 3/4IN. 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