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Technical Data Sheet
PartsTable / COMPONENT / X04038
X04038 ✓ 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: 0.750 INCHES MAXIMUM NUT THREAD IN, overall_length: 1.500 INCHES NOMINAL IN, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 36.0 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 5307-00-827-5311, 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
X04038
NSN: 5307-00-827-5311
FSC: 5307
CAGE: 14351 — TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV TELEDYNE INDUSTRIES INC SUB OF TELEDYNE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8640
thread_class3A NUT THREAD A
thread_length0.750 INCHES MAXIMUM NUT THREAD IN
overall_length1.500 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.250 INCHES NUT THREAD IN
thread_pitch_diameters+0.2193 TO 0.2213 INCHES STUD THREAD IN
thread_quantity_per_inch20 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
material_document_and_classificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-827-5311
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X04038 · 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
•
MATERIAL: STEEL COMP 8640
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
•
THREAD QUANTITY PER INCH: 20 STUD THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 8640
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH20 STUD THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD LENGTH0.750 INCHES MAXIMUM NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
BB7118A1Interchangeable
interchangeable cross-reference
interchangeable
BB7118AInterchangeable
interchangeable cross-reference
interchangeable
001-27965Interchangeable
interchangeable cross-reference
interchangeable
7584AInterchangeable
interchangeable cross-reference
interchangeable
5-0435Interchangeable
interchangeable cross-reference
interchangeable
PGF3060Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X04038?
X04038 is a STUD,PLAIN.
What parts can replace X04038?
There are 15 known substitutes for X04038: BB7118A1, BB7118A, 001-27965 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X04038?
X04038 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-827-5311. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026