NAS517-5-26 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NAS517-5-26: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.572 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN, thread_length: 0.518 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN, screw_material: STEEL COMP 8630, fastener_length: 2.141 INCHES MINIMUM AND 2.186 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-811-5077, 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

NAS517-5-26

NSN: 5305-00-811-5077
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.572 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN
thread_length	0.518 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
screw_material	STEEL COMP 8630
fastener_length	2.141 INCHES MINIMUM AND 2.186 INCHES MAXIMUM IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.312 INCHES IN
screw_surface_treatment	CADMIUM AND CHROMATE
NSN	5305-00-811-5077

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE

•

FASTENER LENGTH: 2.141 INCHES MINIMUM AND 2.186 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.518 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

SCREW SURFACE TREATMENT	CADMIUM AND CHROMATE
FASTENER LENGTH	2.141 INCHES MINIMUM AND 2.186 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.518 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 8630
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NAS517-5-26?

NAS517-5-26 is a SCREW,MACHINE.

What is the NSN for NAS517-5-26?

NAS517-5-26 is cataloged in the U.S. Government catalog under NSN 5305-00-811-5077. This indicates validated use in U.S. government and defense supply chains.

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