PartsTable
Technical Data Sheet
3214529 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN, fastener_length: 1.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-6235, 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
3214529
NSN: 5305-00-206-6235
FSC: 5305
CAGE: 72915 — GENERAL MOTORS CORP ELECTRO-MOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
thread_class3A A
thread_length1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
fastener_length1.750 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
minimum_yield_strength85000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.500 INCHES IN
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
NSN5305-00-206-6235
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3214529 · 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 QUANTITY PER INCH: 20
THREAD LENGTH: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
THREAD CLASS: 3A A
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL: STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH20
THREAD LENGTH1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
THREAD CLASS3A A
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORUNF
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10 STYLE
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
M650Interchangeable
interchangeable cross-reference
interchangeable
56RInterchangeable
interchangeable cross-reference
interchangeable
103SSInterchangeable
interchangeable cross-reference
interchangeable
4202401Interchangeable
interchangeable cross-reference
interchangeable
251571Interchangeable
interchangeable cross-reference
interchangeable
MS90726-55Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3214529?
3214529 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 3214529?
There are 9 known substitutes for 3214529: M650, 56R, 103SS and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3214529?
3214529 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-6235. This indicates validated use in U.S. government and defense supply chains.
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