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MAFB571CPC56 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MAFB571CPC56: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.453 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.938 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-281-3254, 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
MAFB571CPC56
NSN: 5306-00-281-3254
FSC: 5306 — Bolts
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.453 INCHES NOMINAL IN
thread_class3A A
thread_length0.938 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.250 INCHES NOMINAL IN
shoulder_length1.062 INCHES NOMINAL FIRST SHOULDER IN
special_featuresWASHER FACE 0.016 IN. H,UNDERCUT 0.125 IN. W BY 0.563 IN. DIA BETWEEN WASHER AND SHOULDER,UNDERCUT 0.125 IN. W BY 0.535,0.010 IN. DIA BETWEEN SHOULDER AND,OVAL POINT WIDTH 3/4 IN. RADIUS IN
thread_directionRIGHT-HAND
shoulder_diameter0.7480 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OVERALL
NSN5306-00-281-3254
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MAFB571CPC56 · 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: 0.453 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.250 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.062 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.7480 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.938 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
SHANK UNTHREADED HOLE DIAMETER: 0.125 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.453 INCHES NOMINAL IN
FASTENER LENGTH2.250 INCHES NOMINAL IN
SHOULDER LENGTH1.062 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.7480 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.938 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.125 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
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 10
22AF10C571BPC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
AFB4754EReference document
Same NSN cross-reference
Reference document — Secondary reference
21SAF10B571FPC56Reference document
Same NSN cross-reference
Reference document — Secondary reference
MAAF10B571APC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
13AF10B571APC66Reference document
Same NSN cross-reference
Reference document — Secondary reference
MAFB571CPC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MAFB571CPC56?
MAFB571CPC56 is a BOLT,SHOULDER.
What parts can replace MAFB571CPC56?
There are 10 known substitutes for MAFB571CPC56: 22AF10C571BPC2, AFB4754E, 21SAF10B571FPC56 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MAFB571CPC56?
MAFB571CPC56 is cataloged in the U.S. Government catalog under NSN 5306-00-281-3254. This indicates validated use in U.S. government and defense supply chains.
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