51B334-3 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

51B334-3: 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 OR STEEL COMP 6150 OR STEEL COMP E4340 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.507 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-809-1740, 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

51B334-3

NSN: 5305-00-809-1740
FSC: 5305 — Screws
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP E4340 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.507 INCHES NOMINAL IN
thread_length	0.316 INCHES MINIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	0.476 INCHES MINIMUM AND 0.543 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
surface_treatment	CADMIUM OR CADMIUM AND CHROMATE OVERALL
NSN	5305-00-809-1740

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES GRIP

•

FASTENER LENGTH: 0.476 INCHES MINIMUM AND 0.543 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.316 INCHES MINIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES GRIP
FASTENER LENGTH	0.476 INCHES MINIMUM AND 0.543 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.316 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
GRIP DIAMETER	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM OR CADMIUM AND CHROMATE 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

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 51B334-3?

51B334-3 is a SCREW,CLOSE TOLERANCE.

What is the NSN for 51B334-3?

51B334-3 is cataloged in the U.S. Government catalog under NSN 5305-00-809-1740. This indicates validated use in U.S. government and defense supply chains.

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51B334-3 — SCREW,CLOSE TOLERANCE

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