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915560 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

915560: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1030 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1035 OR STEEL COMP 1040 OVERALL, head_style: HEXAGON, head_height: 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN, fastener_length: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-281-5210, 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
915560
NSN: 5306-00-281-5210
FSC: 5306 — Bolts
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialSTEEL COMP 1030 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1035 OR STEEL COMP 1040 OVERALL
head_styleHEXAGON
head_height0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class3A A
thread_length0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
fastener_length0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
hardness_rating15.2 ROCKWELL C MINIMUM AND 25.4 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-281-5210
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 915560 · 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: 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
•
HARDNESS RATING: 15.2 ROCKWELL C MINIMUM AND 25.4 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.875 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FS1030 FED SPEC 1ST MATERIAL RESPONSE OR QQ0S0631 FS1037 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FS1038 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FS1035 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FS1040 FED SPEC 5TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
THREAD LENGTH0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
HARDNESS RATING15.2 ROCKWELL C MINIMUM AND 25.4 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.875 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FS1030 FED SPEC 1ST MATERIAL RESPONSE OR QQ0S0631 FS1037 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FS1038 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FS1035 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FS1040 FED SPEC 5TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
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 915560?
915560 is a BOLT,MACHINE.
What is the NSN for 915560?
915560 is cataloged in the U.S. Government catalog under NSN 5306-00-281-5210. 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.