51B334-11Y — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

51B334-11Y: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.280 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, head_diameter: 0.499 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-258-9111, 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

51B334-11Y

NSN: 5305-01-258-9111
FSC: 5305 — Screws
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)

SPECIFICATIONS

material	STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.280 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
head_diameter	0.499 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN
fastener_length	0.994 INCHES MINIMUM AND 1.014 INCHES MAXIMUM IN
special_features	0.0312 IN. OVERSIZE SHANK FOR REPAIR WORK ONLY IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
surface_treatment	CADMIUM OVERALL
NSN	5305-01-258-9111

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.994 INCHES MINIMUM AND 1.014 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.994 INCHES MINIMUM AND 1.014 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
GRIP DIAMETER	0.280 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SPECIAL FEATURES	0.0312 IN. OVERSIZE SHANK FOR REPAIR WORK ONLY 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 51B334-11Y?

51B334-11Y is a SCREW,CLOSE TOLERANCE.

What is the NSN for 51B334-11Y?

51B334-11Y is cataloged in the U.S. Government catalog under NSN 5305-01-258-9111. This indicates validated use in U.S. government and defense supply chains.

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51B334-11Y — SCREW,CLOSE TOLERANCE

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