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Technical Data Sheet
PartsTable / COMPONENT / 20-284
20-284 ✓ Verified by PartsTable
Legrand · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

- Aluminum case covered with leatherette<br>- Carbon-Look surface, scratch resistant<br>- USB 2.0 interface 480 Mbit/s<br>- LED for Power and HDD access<br>- HDD heigt up to 9.5 mm<br>- HDD capacity no limit<br>- OS independent<br>- Plug & Play and Hot Swap This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-2044, 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
20-284
NSN: 4730-00-142-2044
FSC: 4730
CAGE: 1Z473 — PAKON INC DBA IMPAK DIVISION (USA)
SPECIFICATIONS
colorBLACK
guideNOT INCLUDED
diameter0.438 INCHES NOMINAL IN
materialNICKEL ALLOY SEAT
nut_styleHEXAGON
body_width0.245 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
flute_typeINTEGRAL
nut_height0.875 INCHES NOMINAL IN
shank_typeSTRAIGHT
body_height0.180 INCHES MAXIMUM IN
body_length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
bonnet_typeINSIDE SPRING
NSN4730-00-142-2044
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 20-284 · Legrand ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHOULDER WIDTH: 0.062 INCHES NOMINAL IN
•
SMALLEST INSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 16
•
NOMINAL THREAD SIZE: 1.312 INCHES IN
•
SHOULDER SEAT DIAMETER: 1.125 INCHES NOMINAL IN
•
THREAD SERIES: UN
•
SHOULDER STEP WIDTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER WIDTH0.062 INCHES NOMINAL IN
SMALLEST INSIDE DIAMETER0.469 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE1.312 INCHES IN
SHOULDER SEAT DIAMETER1.125 INCHES NOMINAL IN
SPECIAL FEATURESKNURLED ON OD
THREAD SERIESUN
SHOULDER STEP WIDTH0.125 INCHES NOMINAL IN
THREAD DIRECTIONLEFT-HAND
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
50SS-7/16Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180Interchangeable
interchangeable cross-reference
interchangeable
000-0437Interchangeable
interchangeable cross-reference
interchangeable
20284Interchangeable
interchangeable cross-reference
interchangeable
756-3142Interchangeable
interchangeable cross-reference
interchangeable
336A146Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-284?
20-284 is a MICROCIRCUIT,DIGITAL manufactured by Legrand.
What parts can replace 20-284?
There are 16 known substitutes for 20-284: 50SS-7/16, GGG-R-180, 000-0437 and 13 more. Substitute compatibility should be verified for your specific system.
Is 20-284 still available?
20-284 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