PartsTable
Technical Data Sheet
Download PDF

53-42066-3 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

53-42066-3: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM IN, head_height: 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-070-5106, 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
53-42066-3
NSN: 5306-00-070-5106
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM IN
head_height0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
thread_length0.848 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN
fastener_length4.358 INCHES MINIMUM AND 4.388 INCHES MAXIMUM IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats0.682 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
NSN5306-00-070-5106
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 53-42066-3 · 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
•
EXTENDED WASHER THICKNESS: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.358 INCHES MINIMUM AND 4.388 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.848 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
HEAD HEIGHT0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
FASTENER LENGTH4.358 INCHES MINIMUM AND 4.388 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
THREAD LENGTH0.848 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
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: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 53-42066-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 53-42066-3?
53-42066-3 is a BOLT,SHEAR.
What is the NSN for 53-42066-3?
53-42066-3 is cataloged in the U.S. Government catalog under NSN 5306-00-070-5106. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 53-42066-3

✓ 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.