PartsTable
Technical Data Sheet
1287-4 ✓ 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 DUMMY LOAD,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER RECEPTACLE PLATE, flow_style: THREE-WAY THREE PORT 180 DEGREE PLUG TURN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, overall_width: 2.500 INCHES NOMINAL IN, conductor_form: STRANDED FOURTH CONDUCTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-032-8002, 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
1287-4
NSN: 4820-00-032-8002
FSC: 4820
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
materialCOPPER RECEPTACLE PLATE
flow_styleTHREE-WAY THREE PORT 180 DEGREE PLUG TURN
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
overall_width2.500 INCHES NOMINAL IN
conductor_formSTRANDED FOURTH CONDUCTOR
cooling_methodSELF-COOLED
overall_length6.340 INCHES NOMINAL IN
connection_styleFLARED (TUBE) FIRST END
special_featuresMTG FLANGE 1.390 - 1.415 IN. SQ W/4 HOLES THRU 0.176 - 0.182 IN. DIA SPACED 1.06 IN. C-TO-C; 2.012 IN. NOZZLE FACE TO FITTING END IN
style_designatorWAVEGUIDE MOUNTED
termination_typeWAVEGUIDE FLANGE
NSN4820-00-032-8002
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1287-4 · 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
SEAT ANGLE: 37.0 DEGREES FIRST END
CONNECTION STYLE: FLARED (TUBE) FIRST END
THREAD QUANTITY PER INCH: 12 FIRST END
MOUNTING FACILITY: THREADED FASTENER
NOMINAL THREAD SIZE: 1.312 INCHES FIRST END IN
FEATURES PROVIDED: ADJUSTABLE ROTATION STOP
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UN FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE37.0 DEGREES FIRST END
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD QUANTITY PER INCH12 FIRST END
MOUNTING FACILITYTHREADED FASTENER
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
FEATURES PROVIDEDADJUSTABLE ROTATION STOP
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
THREAD SERIES DESIGNATORUN FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
VALVE OPERATION METHODMANUAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5232905Interchangeable
interchangeable cross-reference
interchangeable
37D401657P116Interchangeable
interchangeable cross-reference
interchangeable
37D401657P111Interchangeable
interchangeable cross-reference
interchangeable
12874Interchangeable
interchangeable cross-reference
interchangeable
6846666Interchangeable
interchangeable cross-reference
interchangeable
12757Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1287-4?
1287-4 is a DUMMY LOAD,ELECTRICAL.
What parts can replace 1287-4?
There are 15 known substitutes for 1287-4: 5232905, 37D401657P116, 37D401657P111 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1287-4?
1287-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-032-8002. This indicates validated use in U.S. government and defense supply chains.
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