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84374-20-1 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

84374-20-1: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DEE CHAMFER, grip_length: 4.655 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN, head_height: 0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-342-9043, 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
84374-20-1
NSN: 5306-01-342-9043
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDEE CHAMFER
grip_length4.655 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN
head_height0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
thread_class3A A
grip_diameter1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN
head_diameter1.790 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN
thread_length0.858 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length5.523 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCHROMIUM GRIP
NSN5306-01-342-9043
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 84374-20-1 · 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
•
HEAD HEIGHT: 0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.523 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.858 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.665 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
FASTENER LENGTH5.523 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
THREAD LENGTH0.858 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER1.250 INCHES IN
HEAD STYLEDEE CHAMFER
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
3D0111-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 84374-20-1?
84374-20-1 is a BOLT,SHEAR.
What parts can replace 84374-20-1?
There is 1 known substitute for 84374-20-1: 3D0111-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 84374-20-1?
84374-20-1 is cataloged in the U.S. Government catalog under NSN 5306-01-342-9043. 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.