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A1284 — RECTIFIER,SEMICONDUCTOR DEVICE,U

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A1284: RECTIFIER,SEMICONDUCTOR DEVICE,U.

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include material: SILICON, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2B, overall_width: 1.125 INCHES MAXIMUM IN, overall_height: 0.750 INCHES NOMINAL IN, overall_length: 2.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-967-4648, 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
A1284
NSN: 4820-00-967-4648
NIINs: 009674648, 009751196, 013492846
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSILICON
seat_angle45.0 DEGREES NOMINAL
thread_class2B
overall_width1.125 INCHES MAXIMUM IN
overall_height0.750 INCHES NOMINAL IN
overall_length2.500 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
outside_diameter2.160 INCHES NOMINAL IN
special_featuresFINNED CYLINDER DISK GUIDE
style_designatorPLUG
nominal_thread_size1.312 INCHES IN
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
NSN4820-00-967-4648
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A1284 · 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
•
OUTSIDE DIAMETER: 2.160 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 1.312 INCHES IN
•
THREAD CLASS: 2B
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.893 INCHES NOMINAL IN
OUTSIDE DIAMETER2.160 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE45.0 DEGREES NOMINAL
NOMINAL THREAD SIZE1.312 INCHES IN
SPECIAL FEATURESFINNED CYLINDER DISK GUIDE
THREAD CLASS2B
MATERIALCOPPER ALLOY
THREAD SERIES DESIGNATORUNEF
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A1284?
A1284 is a RECTIFIER,SEMICONDUCTOR DEVICE,U.
What is the NSN for A1284?
A1284 is cataloged in the U.S. Government catalog under NSN 4820-00-967-4648. This indicates validated use in U.S. government and defense supply chains.
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