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920-23566-8 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

920-23566-8: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-303-2815, 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
920-23566-8
NSN: 5306-01-303-2815
FSC: 5306 — Bolts
CAGE: 04801 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5306-01-303-2815
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 920-23566-8 · 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
•
SURFACE FINISH: 63.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES THREADS
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
FASTENER LENGTH1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
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 3
0740857Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
114203ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS90725-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 920-23566-8?
920-23566-8 is a BOLT,MACHINE.
What parts can replace 920-23566-8?
There are 3 known substitutes for 920-23566-8: 0740857, 114203A, MS90725-13. Substitute compatibility should be verified for your specific system.
What is the NSN for 920-23566-8?
920-23566-8 is cataloged in the U.S. Government catalog under NSN 5306-01-303-2815. 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.