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Technical Data Sheet

1391/3309D — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1391/3309D: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, head_style: DEE CHAMFER, head_height: 8.000 MILLIMETERS NOMINAL MM, head_diameter: 12.570 MILLIMETERS MINIMUM AND 13.000 MILLIMETERS MAXIMUM MM, thread_length: 28.000 MILLIMETERS MINIMUM MM, fastener_length: 35.000 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-608-6820, 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
1391/3309D
NSN: 5305-01-608-6820
FSC: 5305 — Screws
CAGE: 0JKF0 — JCB INC. (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
head_styleDEE CHAMFER
head_height8.000 MILLIMETERS NOMINAL MM
head_diameter12.570 MILLIMETERS MINIMUM AND 13.000 MILLIMETERS MAXIMUM MM
thread_length28.000 MILLIMETERS MINIMUM MM
fastener_length35.000 MILLIMETERS NOMINAL MM
special_featuresSCREW IS WHITE ALUMINUM
thread_directionRIGHT-HAND
width_across_flats6.000 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
end_item_identification2420015354061
thread_series_designatorM
NSN5305-01-608-6820
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1391/3309D · 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
•
WIDTH ACROSS FLATS: 6.000 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 8.000 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 35.000 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 28.000 MILLIMETERS MINIMUM MM
•
HEAD STYLE: DEE CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 0JKF0-JCB STD00007 MANUFACTURERS STANDARD
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS6.000 MILLIMETERS NOMINAL MM
HEAD HEIGHT8.000 MILLIMETERS NOMINAL MM
FASTENER LENGTH35.000 MILLIMETERS NOMINAL MM
THREAD LENGTH28.000 MILLIMETERS MINIMUM MM
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA0JKF0-JCB STD00007 MANUFACTURERS STANDARD
SPECIAL FEATURESSCREW IS WHITE ALUMINUM
INTERNAL DRIVE STYLEHEXAGON
END ITEM IDENTIFICATION2420015354061
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1391/3309D?
1391/3309D is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 1391/3309D?
1391/3309D is cataloged in the U.S. Government catalog under NSN 5305-01-608-6820. This indicates validated use in U.S. government and defense supply chains.
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