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3D0166-22-78 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3D0166-22-78: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY MP-159 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 4.865 INCHES MINIMUM AND 4.885 INCHES MAXIMUM IN, head_height: 1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 1.3725 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-465-4585, 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
3D0166-22-78
NSN: 5306-01-465-4585
FSC: 5306 — Bolts
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialCOBALT ALLOY MP-159 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length4.865 INCHES MINIMUM AND 4.885 INCHES MAXIMUM IN
head_height1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
thread_class3A A
grip_diameter1.3725 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM IN
thread_length1.979 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES GRIP
fastener_length6.835 INCHES MINIMUM AND 6.869 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter1.485 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
NSN5306-01-465-4585
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3D0166-22-78 · 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 GRIP
•
EXTENDED WASHER THICKNESS: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
HEAD HEIGHT: 1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
•
FASTENER LENGTH: 6.835 INCHES MINIMUM AND 6.869 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 2.539 INCHES MINIMUM AND 2.549 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.979 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
EXTENDED WASHER THICKNESS0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
HEAD HEIGHT1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
FASTENER LENGTH6.835 INCHES MINIMUM AND 6.869 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER2.539 INCHES MINIMUM AND 2.549 INCHES MAXIMUM IN
THREAD LENGTH1.979 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5842 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SINGLE SHEAR STRENGTHERR-060
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3D0166-22-78?
3D0166-22-78 is a BOLT,SHEAR.
What is the NSN for 3D0166-22-78?
3D0166-22-78 is cataloged in the U.S. Government catalog under NSN 5306-01-465-4585. 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.