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AFB5013A — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AFB5013A: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.875 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-217-0153, 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
AFB5013A
NSN: 5306-00-217-0153
FSC: 5306 — Bolts
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.312 INCHES NOMINAL IN
thread_class3A A
thread_length0.875 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.438 INCHES NOMINAL IN
hardness_rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length1.438 INCHES NOMINAL FIRST SHOULDER IN
special_featuresCENTER DRILLED BOTH ENDS 0.094 IN. DIA BY 0.187 IN. DEEP IN
thread_directionRIGHT-HAND
shoulder_diameter0.8105 INCHES MINIMUM AND 0.8145 INCHES MAXIMUM FIRST SHOULDER IN
NSN5306-00-217-0153
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AFB5013A · 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: 0.312 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.438 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.438 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.8105 INCHES MINIMUM AND 0.8145 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.105 INCHES NOMINAL FIRST HOLE IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.312 INCHES NOMINAL IN
FASTENER LENGTH2.438 INCHES NOMINAL IN
SHOULDER LENGTH1.438 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.8105 INCHES MINIMUM AND 0.8145 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.875 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.105 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION4F-11A1 FSCM 90538 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 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 2
AFC5013AReference document
Same NSN cross-reference
Reference document — Secondary reference
MAAFB2435APC3Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AFB5013A?
AFB5013A is a BOLT,SHOULDER.
What parts can replace AFB5013A?
There are 2 known substitutes for AFB5013A: AFC5013A, MAAFB2435APC3. Substitute compatibility should be verified for your specific system.
What is the NSN for AFB5013A?
AFB5013A is cataloged in the U.S. Government catalog under NSN 5306-00-217-0153. 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.