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3B9805 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3B9805: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.500 INCHES NOMINAL IN, point_style: DOG, point_length: 2.812 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-149-8345, 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
3B9805
NSN: 5305-00-149-8345
FSC: 5305 — Screws
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.500 INCHES NOMINAL IN
point_styleDOG
point_length2.812 INCHES NOMINAL IN
thread_class2A A
thread_length1.000 INCHES MINIMUM IN
point_diameter0.500 INCHES NOMINAL IN
fastener_length3.938 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.938 INCHES NOMINAL IN
NSN5305-00-149-8345
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3B9805 · 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
•
POINT DIAMETER: 0.500 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.500 INCHES NOMINAL IN
•
POINT LENGTH: 2.812 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.938 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.500 INCHES NOMINAL IN
HEAD HEIGHT0.500 INCHES NOMINAL IN
POINT LENGTH2.812 INCHES NOMINAL IN
FASTENER LENGTH3.938 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
HARDNESS RATING30.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
POINT STYLEDOG
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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
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FREQUENTLY ASKED QUESTIONS
What is 3B9805?
3B9805 is a SETSCREW.
What is the NSN for 3B9805?
3B9805 is cataloged in the U.S. Government catalog under NSN 5305-00-149-8345. 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.