90278A333 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

90278A333: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 18.8 OVERALL, head_style: FLAT FILLISTER, head_height: 5.0 MILLIMETERS NOMINAL MM, head_diameter: 10.0 MILLIMETERS NOMINAL MM, thread_length: 6.0 MILLIMETERS NOMINAL MM, shoulder_shape: ROUND OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-592-1115, 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

90278A333

NSN: 5305-01-592-1115
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	STEEL PROPERTY CLASS 18.8 OVERALL
head_style	FLAT FILLISTER
head_height	5.0 MILLIMETERS NOMINAL MM
head_diameter	10.0 MILLIMETERS NOMINAL MM
thread_length	6.0 MILLIMETERS NOMINAL MM
shoulder_shape	ROUND OVERALL
fastener_length	14.0 MILLIMETERS MINIMUM AND 14.1 MILLIMETERS MAXIMUM MM
hardness_rating	65.0 ROCKWELL B MINIMUM OVERALL
shoulder_length	8.0 MILLIMETERS MINIMUM AND 8.1 MILLIMETERS MAXIMUM OVERALL MM
special_features	BOLT, SHLDR M5 6M
thread_direction	RIGHT-HAND
shoulder_diameter	6.0 MILLIMETERS NOMINAL OVERALL MM
NSN	5305-01-592-1115

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 3.0 MILLIMETERS NOMINAL MM

•

HEAD HEIGHT: 5.0 MILLIMETERS NOMINAL MM

•

EXTERNAL THREAD TOLERANCE CLASS: 6G G

•

FASTENER LENGTH: 14.0 MILLIMETERS MINIMUM AND 14.1 MILLIMETERS MAXIMUM MM

•

SHOULDER LENGTH: 8.0 MILLIMETERS MINIMUM AND 8.1 MILLIMETERS MAXIMUM OVERALL MM

•

SHOULDER DIAMETER: 6.0 MILLIMETERS NOMINAL OVERALL MM

•

THREAD PITCH IN MILLIMETERS: 0.8

•

THREAD LENGTH: 6.0 MILLIMETERS NOMINAL MM

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	3.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT	5.0 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS	6G G
FASTENER LENGTH	14.0 MILLIMETERS MINIMUM AND 14.1 MILLIMETERS MAXIMUM MM
SHOULDER LENGTH	8.0 MILLIMETERS MINIMUM AND 8.1 MILLIMETERS MAXIMUM OVERALL MM
SHOULDER DIAMETER	6.0 MILLIMETERS NOMINAL OVERALL MM
THREAD PITCH IN MILLIMETERS	0.8
THREAD LENGTH	6.0 MILLIMETERS NOMINAL MM
SHOULDER SHAPE	ROUND OVERALL
HARDNESS RATING	65.0 ROCKWELL B MINIMUM OVERALL

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 2

13050824Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

MSB2-20Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 90278A333?

90278A333 is a SCREW,SHOULDER.

What parts can replace 90278A333?

There are 2 known substitutes for 90278A333: 13050824, MSB2-20. Substitute compatibility should be verified for your specific system.

What is the NSN for 90278A333?

90278A333 is cataloged in the U.S. Government catalog under NSN 5305-01-592-1115. This indicates validated use in U.S. government and defense supply chains.

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