509441-66 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

509441-66: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: FLAT CHAMFER, head_height: 0.375 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.563 INCHES MAXIMUM IN, thread_length: 0.625 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-9490, 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

509441-66

NSN: 5305-00-151-9490
FSC: 5305 — Screws
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_style	FLAT CHAMFER
head_height	0.375 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.563 INCHES MAXIMUM IN
thread_length	0.625 INCHES MINIMUM IN
surface_finish	125.0 MICROINCHES OVERALL
fastener_length	0.750 INCHES NOMINAL IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
special_features	ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL.
thread_direction	RIGHT-HAND
width_across_flats	0.312 INCHES NOMINAL IN
NSN	5305-00-151-9490

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES OVERALL

•

WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.375 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.750 INCHES NOMINAL IN

•

THREAD LENGTH: 0.625 INCHES MINIMUM IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	125.0 MICROINCHES OVERALL
WIDTH ACROSS FLATS	0.312 INCHES NOMINAL IN
HEAD HEIGHT	0.375 INCHES MAXIMUM IN
FASTENER LENGTH	0.750 INCHES NOMINAL IN
THREAD LENGTH	0.625 INCHES MINIMUM IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATION	FEAT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	FLAT CHAMFER

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

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 509441-66?

509441-66 is a SCREW,CAP,SOCKET HEAD.

What is the NSN for 509441-66?

509441-66 is cataloged in the U.S. Government catalog under NSN 5305-00-151-9490. This indicates validated use in U.S. government and defense supply chains.

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509441-66 — SCREW,CAP,SOCKET HEAD

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