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CAFB880A — BOLT,DRIVE SHANK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CAFB880A: BOLT,DRIVE SHANK.

The BOLT,DRIVE SHANK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DEE CHAMFER, grip_length: 2.875 INCHES NOMINAL IN, head_height: 0.438 INCHES NOMINAL IN, thread_class: 2A A, grip_diameter: 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-073-9890, 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
CAFB880A
NSN: 5306-00-073-9890
FSC: 5306 — Bolts
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDEE CHAMFER
grip_length2.875 INCHES NOMINAL IN
head_height0.438 INCHES NOMINAL IN
thread_class2A A
grip_diameter0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN
head_diameter1.125 INCHES NOMINAL IN
fastener_length4.125 INCHES NOMINAL IN
hardness_rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch16
NSN5306-00-073-9890
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CAFB880A · 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: 0.438 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.125 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.406 INCHES NOMINAL IN
•
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.125 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 4F-11A1 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
HEAD STYLE: DEE CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.438 INCHES NOMINAL IN
FASTENER LENGTH4.125 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.406 INCHES NOMINAL IN
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.125 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION4F-11A1 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.875 INCHES NOMINAL 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 1
16102255Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CAFB880A?
CAFB880A is a BOLT,DRIVE SHANK.
What parts can replace CAFB880A?
There is 1 known substitute for CAFB880A: 16102255. Substitute compatibility should be verified for your specific system.
What is the NSN for CAFB880A?
CAFB880A is cataloged in the U.S. Government catalog under NSN 5306-00-073-9890. 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.