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HJ4-1-4 — PULLEY,GROOVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HJ4-1-4: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: STEEL OVERALL, bore_type: STRAIGHT, face_width: 0.344 INCHES NOMINAL IN, bore_length: 1.875 INCHES NOMINAL IN, design_form: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-021-2085, 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
HJ4-1-4
NSN: 3020-01-021-2085
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 98437 — ELLIS & WATTS INTERNATIONAL, LLC (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialSTEEL OVERALL
quantity1
bore_typeSTRAIGHT
face_width0.344 INCHES NOMINAL IN
bore_length1.875 INCHES NOMINAL IN
design_formPLAIN
bore_featureINCLUDED
groove_depth0.490 INCHES NOMINAL IN
groove_shapeV
groove_width0.500 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
keyway_width0.188 INCHES NOMINAL IN
NSN3020-01-021-2085
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN HJ4-1-4 MFR PULLEY,GROOVE
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 1.250 INCHES NOMINAL AA END IN
•
BORE FEATURE: INCLUDED
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 1.875 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
GROOVE SHAPE: V
TECHNICAL CHARACTERISTICS
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER1.250 INCHES NOMINAL AA END IN
HUB OUTSIDE DIAMETER1.562 INCHES NOMINAL BB END IN
BORE FEATUREINCLUDED
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH1.875 INCHES NOMINAL IN
DESIGN FORMPLAIN
GROOVE SHAPEV
OUTSIDE DIAMETER4.150 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES 1
IVP44Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 HJ4-1-4?
HJ4-1-4 is a PULLEY,GROOVE.
What parts can replace HJ4-1-4?
There is 1 known substitute for HJ4-1-4: IVP44. Substitute compatibility should be verified for your specific system.
What is the NSN for HJ4-1-4?
HJ4-1-4 is cataloged in the U.S. Government catalog under NSN 3020-01-021-2085. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.