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Technical Data Sheet
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918501 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

918501: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, head_style: DEE CHAMFER, head_height: 0.190 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 0.470 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-436-4819, 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
918501
NSN: 5306-00-436-4819
FSC: 5306 — Bolts
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
head_styleDEE CHAMFER
head_height0.190 INCHES NOMINAL IN
thread_class2A A
head_diameter0.750 INCHES NOMINAL IN
thread_length0.470 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
hardness_rating217.0 BRINELL HULTGREN NOMINAL OVERALL
thread_directionRIGHT-HAND
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5306-00-436-4819
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 918501 · 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: 0.190 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.280 INCHES NOMINAL IN
•
THREAD LENGTH: 0.470 INCHES NOMINAL IN
•
HARDNESS RATING: 217.0 BRINELL HULTGREN NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: DEE CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.190 INCHES NOMINAL IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.280 INCHES NOMINAL IN
THREAD LENGTH0.470 INCHES NOMINAL IN
HARDNESS RATING217.0 BRINELL HULTGREN NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 918501?
918501 is a BOLT,MACHINE.
What is the NSN for 918501?
918501 is cataloged in the U.S. Government catalog under NSN 5306-00-436-4819. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.