PartsTable
Technical Data Sheet
YR33 ✓ 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 8640, thread_class: 3A NUT THREAD A, thread_length: 0.875 INCHES MINIMUM STUD THREAD IN, overall_length: 4.250 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND NUT THREAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-274-4744, 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
YR33
NSN: 5307-00-274-4744
FSC: 5307
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8640
thread_class3A NUT THREAD A
thread_length0.875 INCHES MINIMUM STUD THREAD IN
overall_length4.250 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.625 INCHES STUD THREAD IN
thread_pitch_diameters+0.5704 TO 0.5724 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.140 INCHES NOMINAL FIRST HOLE IN
thread_quantity_per_inch11 STUD THREAD
thread_series_designatorUNS STUD THREAD
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-274-4744
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: YR33 · 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: 1.125 INCHES MINIMUM NUT THREAD IN
COTTER PIN HOLE DIAMETER: 0.140 INCHES NOMINAL FIRST HOLE IN
THREAD QUANTITY PER INCH: 11 STUD THREAD
THREAD PITCH DIAMETERS: +0.5704 TO 0.5724 INCHES STUD THREAD IN
THREAD DIRECTION: RIGHT-HAND STUD THREAD
THREAD SERIES DESIGNATOR: UNS STUD THREAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.125 INCHES MINIMUM NUT THREAD IN
COTTER PIN HOLE DIAMETER0.140 INCHES NOMINAL FIRST HOLE IN
THREAD QUANTITY PER INCH11 STUD THREAD
THREAD LENGTH0.875 INCHES MINIMUM STUD THREAD IN
THREAD PITCH DIAMETERS+0.5704 TO 0.5724 INCHES STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
OVERALL LENGTH4.250 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS STUD THREAD
THREAD CLASS3A NUT THREAD A
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END0.188 INCHES NOMINAL FIRST HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5044-1Interchangeable
interchangeable cross-reference
interchangeable
97-6Interchangeable
interchangeable cross-reference
interchangeable
25057Interchangeable
interchangeable cross-reference
interchangeable
3954Interchangeable
interchangeable cross-reference
interchangeable
1844Interchangeable
interchangeable cross-reference
interchangeable
5330-158000-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is YR33?
YR33 is a STUD,PLAIN.
What parts can replace YR33?
There are 18 known substitutes for YR33: 5044-1, 97-6, 25057 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for YR33?
YR33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-274-4744. This indicates validated use in U.S. government and defense supply chains.
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