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Technical Data Sheet
PartsTable / COMPONENT / HD-20
HD-20 ✓ Verified by PartsTable
— · 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

The BOOT,VEHICULAR COMPONENTS is a the manufacturer industrial component. Key specifications include drive_size: 3.50, design_type: HARD CARD, unit_design: RACK MOUNTED, model_number: HD20, power_source: EXTERNAL, usage_location: COMMUNICATIONS ZONE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-160-3150, 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
HD-20
NSN: 4730-00-160-3150
FSC: 4730
CAGE: 80195 — ED ETNYRE & CO (USA)
SPECIFICATIONS
drive_size3.50
design_typeHARD CARD
unit_designRACK MOUNTED
model_numberHD20
power_sourceEXTERNAL
drive_quantity1
usage_locationCOMMUNICATIONS ZONE
fragility_factorRUGGED
special_featuresPOWER REQUIREMENT: 110-220VAC, 50-60HZ, 2200-2400MHZ OPERATING FREQUENCY, POLARIZATION: SIMULTANEOUS RIGHT HAND AND LEFT HAND CIRCULAR, ELEVATION /AZIMUTH PEDESTAL TYPE MHz
storage_temp_range-54.0 TO 71.0 CELSIUS DEGC
operating_temp_range+0.0 TO 55.0 CELSIUS DEGC
data_storage_capacity20.000 MEGABYTES
NSN4730-00-160-3150
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: HD-20 · OEM ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
929317-9Interchangeable
interchangeable cross-reference
interchangeable
81-9029-0035-6Interchangeable
interchangeable cross-reference
interchangeable
000-8006-940Interchangeable
interchangeable cross-reference
interchangeable
177600R1Interchangeable
interchangeable cross-reference
interchangeable
FD368DInterchangeable
interchangeable cross-reference
interchangeable
HD20Interchangeable
Disk,20mbyte Hard-Winchester
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HD-20?
HD-20 is a BOOT,VEHICULAR COMPONENTS.
What parts can replace HD-20?
There are 13 known substitutes for HD-20: 929317-9, 81-9029-0035-6, 000-8006-940 and 10 more. Substitute compatibility should be verified for your specific system.
Is HD-20 still available?
HD-20 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