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8B1115 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8B1115: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, head_height: 0.250 INCHES NOMINAL IN, point_style: FLAT, point_length: 0.312 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-281-5443, 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
8B1115
NSN: 5305-00-281-5443
FSC: 5305 — Screws
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.250 INCHES NOMINAL IN
point_styleFLAT
point_length0.312 INCHES NOMINAL IN
thread_class3A A
thread_length0.750 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
special_featuresTWO DRILLED HOLES IN HEAD
thread_directionRIGHT-HAND
point_chamfer_angle30.0 DEGREES NOMINAL
width_between_flats0.437 INCHES NOMINAL IN
NSN5305-00-281-5443
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8B1115 · 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: 0.250 INCHES NOMINAL IN
•
POINT LENGTH: 0.312 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM IN
•
POINT CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
HEAD STYLE: SQUARE
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
POINT LENGTH0.312 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MINIMUM IN
POINT CHAMFER ANGLE30.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
WIDTH BETWEEN FLATS0.437 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
P18300Reference document
Same NSN cross-reference
Reference document — Secondary reference
47807Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
201705Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8B1115?
8B1115 is a SETSCREW.
What parts can replace 8B1115?
There are 3 known substitutes for 8B1115: P18300, 47807, 201705. Substitute compatibility should be verified for your specific system.
What is the NSN for 8B1115?
8B1115 is cataloged in the U.S. Government catalog under NSN 5305-00-281-5443. 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.