PartsTable
Technical Data Sheet
636P4 ✓ 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,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8735, thread_class: 3A STUD THREAD A, thread_length: 0.438 INCHES MINIMUM NUT THREAD IN, overall_length: 1.469 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-149-4974, 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
636P4
NSN: 5307-00-149-4974
FSC: 5307
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 8735
thread_class3A STUD THREAD A
thread_length0.438 INCHES MINIMUM NUT THREAD IN
overall_length1.469 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.094 INCHES NOMINAL FIRST HOLE IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
distance_from_cotter_pin_hole_centerline_to_nut_end0.094 INCHES NOMINAL FIRST HOLE IN
NSN5307-00-149-4974
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 636P4 · 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 SERIES DESIGNATOR: UNF NUT THREAD
THREAD LENGTH: 0.625 INCHES MINIMUM STUD THREAD IN
MATERIAL: STEEL COMP 8735
COTTER PIN HOLE DIAMETER: 0.094 INCHES NOMINAL FIRST HOLE IN
THREAD DIRECTION: RIGHT-HAND STUD THREAD
SURFACE TREATMENT: CADMIUM OVERALL
THREAD QUANTITY PER INCH: 24 NUT THREAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD LENGTH0.625 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.438 INCHES MINIMUM NUT THREAD IN
MATERIALSTEEL COMP 8735
COTTER PIN HOLE DIAMETER0.094 INCHES NOMINAL FIRST HOLE IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
SURFACE TREATMENTCADMIUM OVERALL
THREAD QUANTITY PER INCH24 NUT THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
OVERALL LENGTH1.469 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
6364Interchangeable
interchangeable cross-reference
interchangeable
70435Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
636-120Interchangeable
interchangeable cross-reference
interchangeable
636Interchangeable
interchangeable cross-reference
interchangeable
636H120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 636P4?
636P4 is a STUD,PLAIN.
What parts can replace 636P4?
There are 7 known substitutes for 636P4: 6364, 70435, MIL-F-2692 and 4 more. Substitute compatibility should be verified for your specific system.
Is 636P4 still available?
636P4 is currently cancelled.
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