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MS9686-56 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS9686-56: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include MATERIAL: STEEL COMP 601 OVERALL, HOLE TYPE: DRILLEDDRILLED, HEAD STYLE: HEXAGONHEXAGON, GRIP LENGTH: 4.440 INCHES MINIMUM AND 4.440 INCHES MINIMUM AND 4.500 INCHES MAXIMUM4.500 INCHES MAXIMUM IN, HEAD HEIGHT: 0.167 INCHES MINIMUM AND 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM0.183 INCHES MAXIMUM IN, THREAD CLASS: 3A3A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-133-4451, 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
MS9686-56
NSN: 5306-01-133-4451
FSC: 5306 — Bolts
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
MATERIALSTEEL COMP 601 OVERALL
HOLE TYPEDRILLEDDRILLED
HEAD STYLEHEXAGONHEXAGON
GRIP LENGTH4.440 INCHES MINIMUM AND 4.440 INCHES MINIMUM AND 4.500 INCHES MAXIMUM4.500 INCHES MAXIMUM IN
HEAD HEIGHT0.167 INCHES MINIMUM AND 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM0.183 INCHES MAXIMUM IN
THREAD CLASS3A3A
HOLE DIAMETER0.060 INCHES MINIMUM AND 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM0.070 INCHES MAXIMUM IN
HOLE QUANTITY11
THREAD LENGTH0.740 INCHES MINIMUM AND 0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM0.820 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES GRIP32.0 MICROINCHES GRIP
FASTENER LENGTH5.240 INCHES MINIMUM AND 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM5.260 INCHES MAXIMUM IN
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL46.0 ROCKWELL C MAXIMUM OVERALL
NSN5306-01-133-4451
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS9686-56 · 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: 32.0 MICROINCHES GRIP32.0 MICROINCHES GRIP
•
HEAD HEIGHT: 0.167 INCHES MINIMUM AND 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM0.183 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.240 INCHES MINIMUM AND 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM5.260 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALLAMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.740 INCHES MINIMUM AND 0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM0.820 INCHES MAXIMUM IN
•
HARDNESS RATING: 42.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL46.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON FLATSHEXAGON FLATS
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS32.0 MICROINCHES THREADS
HEAD HEIGHT0.167 INCHES MINIMUM AND 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM0.183 INCHES MAXIMUM IN
FASTENER LENGTH5.240 INCHES MINIMUM AND 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM5.260 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALLAMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.740 INCHES MINIMUM AND 0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM0.820 INCHES MAXIMUM IN
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL46.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATSHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES IN
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9686-56?
MS9686-56 is a BOLT,MACHINE.
What is the NSN for MS9686-56?
MS9686-56 is cataloged in the U.S. Government catalog under NSN 5306-01-133-4451. 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.