PartsTable
Technical Data Sheet
B-402-1 ✓ 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 LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: READY FOR BACK TRANSFER; J6R;4-28-2008., style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-289-0658, 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-402-1
NSN: 4820-00-289-0658
FSC: 4820
CAGE: 70925 — BIJUR LUBRICATING CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresREADY FOR BACK TRANSFER; J6R;4-28-2008.
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure0.500 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceBALL
nominal_thread_size0.125 INCHES ALL ENDS IN
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
NSN4820-00-289-0658
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: B-402-1 · 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
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE: BALL
THREAD DIRECTION: RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
OPERATING PRESSURE: 0.500 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIAL: COPPER ALLOY BODY
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEBALL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
OPERATING PRESSURE0.500 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MIL-E-1/1536Interchangeable
interchangeable cross-reference
interchangeable
8502Interchangeable
interchangeable cross-reference
interchangeable
JAN NL 8502Interchangeable
interchangeable cross-reference
interchangeable
B402-1Interchangeable
interchangeable cross-reference
interchangeable
BC-F45/216-4363322Interchangeable
interchangeable cross-reference
interchangeable
216-4363322BC-F45Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-402-1?
B-402-1 is a LOCKNUT,TUBE FITTING.
What parts can replace B-402-1?
There are 8 known substitutes for B-402-1: MIL-E-1/1536, 8502, JAN NL 8502 and 5 more. Substitute compatibility should be verified for your specific system.
Is B-402-1 still available?
B-402-1 is currently cancelled.
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