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Technical Data Sheet
PartsTable / COMPONENT / 1020Z4739
1020Z4739 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,RECESSED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4427, thread_class: 2A STUD THREAD A, thread_length: 1.219 INCHES NOMINAL STUD THREAD IN, thread_direction: RIGHT-HAND NUT THREAD, surface_treatment: CADMIUM OR ZINC OVERALL, nominal_thread_size: 0.750 INCHES NUT THREAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-691-8687, 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
1020Z4739
NSN: 5307-00-691-8687
FSC: 5307
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 4427
thread_class2A STUD THREAD A
thread_length1.219 INCHES NOMINAL STUD THREAD IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OR ZINC OVERALL
nominal_thread_size0.750 INCHES NUT THREAD IN
thread_quantity_per_inch16 NUT THREAD
thread_series_designatorUNF STUD THREAD
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-691-8687
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1020Z4739 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD LENGTH: 1.000 INCHES MAXIMUM NUT THREAD IN
•
MATERIAL: STEEL COMP 4427
•
THREAD CLASS: 2A STUD THREAD A
•
THREAD DIRECTION: LEFT-HAND STUD THREAD
•
THREAD QUANTITY PER INCH: 16 NUT THREAD
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
NOMINAL THREAD SIZE: 0.750 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.000 INCHES MAXIMUM NUT THREAD IN
MATERIALSTEEL COMP 4427
THREAD CLASS2A STUD THREAD A
THREAD DIRECTIONLEFT-HAND STUD THREAD
THREAD QUANTITY PER INCH16 NUT THREAD
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NOMINAL THREAD SIZE0.750 INCHES NUT THREAD IN
THREAD CLASS3A NUT THREAD A
THREAD LENGTH1.219 INCHES NOMINAL STUD THREAD IN
THREAD SERIES DESIGNATORUNF STUD THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
83884Interchangeable
interchangeable cross-reference
interchangeable
9379-4161Interchangeable
interchangeable cross-reference
interchangeable
9379-4161 PC15Interchangeable
interchangeable cross-reference
interchangeable
31704Interchangeable
interchangeable cross-reference
interchangeable
13AD6D1084CPC29Interchangeable
interchangeable cross-reference
interchangeable
D8904PC36Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1020Z4739?
1020Z4739 is a STUD,RECESSED AND STEPPED.
What parts can replace 1020Z4739?
There are 12 known substitutes for 1020Z4739: 83884, 9379-4161, 9379-4161 PC15 and 9 more. Substitute compatibility should be verified for your specific system.
Is 1020Z4739 still available?
1020Z4739 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