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8603890 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8603890: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1141 OVERALL, head_style: SQUARE, head_height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, point_style: FULL DOG, thread_class: 3A A, thread_length: 2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-281-3293, 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
8603890
NSN: 5305-00-281-3293
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1141 OVERALL
head_styleSQUARE
head_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
point_styleFULL DOG
thread_class3A A
thread_length2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
fastener_length2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentZINC OVERALL
width_between_flats0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
NSN5305-00-281-3293
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8603890 · 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: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: SQUARE
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
FASTENER LENGTH2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
THREAD LENGTH2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFULL DOG
WIDTH BETWEEN FLATS0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8603890?
8603890 is a SETSCREW.
What is the NSN for 8603890?
8603890 is cataloged in the U.S. Government catalog under NSN 5305-00-281-3293. This indicates validated use in U.S. government and defense supply chains.
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