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Technical Data Sheet
PartsTable / COMPONENT / HS20
HS20 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL SHAFT, switch_type: PUSH BUTTON, blade_length: 12.000 INCHES NOMINAL IN, current_type: AC, mounting_type: COUNTER, overall_length: 7.000 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-2523, 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
HS20
NSN: 4730-00-278-2523
FSC: 4730
CAGE: 38888 — WILSON AND COUSINS INC (CAN)
SPECIFICATIONS
materialSTEEL SHAFT
switch_typePUSH BUTTON
blade_length12.000 INCHES NOMINAL IN
current_typeAC
mounting_typeCOUNTER
overall_length7.000 INCHES MINIMUM IN
voltage_rating115.0 VOLTS NOMINAL
special_featuresFUSED AC INPUT LINE
style_designatorMETAL CUTTING, CLOSED GRIP HANDLE HACKSAW
features_providedHIGH TENSION ADJUSTMENT DEVICE
wrenching_surface_size0.625 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeHEXAGON SINGLE END
NSN4730-00-278-2523
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: HS20 · 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 30
6720Interchangeable
interchangeable cross-reference
interchangeable
M6SInterchangeable
interchangeable cross-reference
interchangeable
62606Interchangeable
interchangeable cross-reference
interchangeable
620-0016Interchangeable
interchangeable cross-reference
interchangeable
5465FInterchangeable
interchangeable cross-reference
interchangeable
3T5284Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS20?
HS20 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace HS20?
There are 30 known substitutes for HS20: 6720, M6S, 62606 and 27 more. Substitute compatibility should be verified for your specific system.
Is HS20 still available?
HS20 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