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Technical Data Sheet
PartsTable / COMPONENT / 5233140
5233140 ✓ 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 BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DEE CHAMFER, neck_width: 0.558 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN, head_height: 0.219 INCHES NOMINAL IN, neck_length: 0.188 INCHES NOMINAL IN, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-523-3140, 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
5233140
NSN: 5306-00-523-3140
FSC: 5306
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDEE CHAMFER
neck_width0.558 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN
head_height0.219 INCHES NOMINAL IN
neck_length0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter1.062 INCHES NOMINAL IN
thread_length1.062 INCHES MINIMUM IN
fastener_length1.312 INCHES NOMINAL IN
hardness_rating62.8 ROCKWELL B MINIMUM AND 92.8 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
NSN5306-00-523-3140
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5233140 · 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
•
HEAD HEIGHT: 0.219 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
THREAD CLASS: 2A A
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633A,C1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
•
THREAD SERIES DESIGNATOR: UNF
•
NECK WIDTH: 0.558 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.219 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD CLASS2A A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633A,C1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
THREAD SERIES DESIGNATORUNF
NECK WIDTH0.558 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.469 INCHES NOMINAL IN
FASTENER LENGTH1.312 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
14326Interchangeable
interchangeable cross-reference
interchangeable
AN121507Interchangeable
interchangeable cross-reference
interchangeable
25695Interchangeable
interchangeable cross-reference
interchangeable
2047019-2Interchangeable
interchangeable cross-reference
interchangeable
2047C19-2Interchangeable
interchangeable cross-reference
interchangeable
H2410LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5233140?
5233140 is a BOLT,SQUARE NECK.
What parts can replace 5233140?
There are 13 known substitutes for 5233140: 14326, AN121507, 25695 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5233140?
5233140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-523-3140. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026