6643070 PC23 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

6643070 PC23: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 1.500 INCHES MINIMUM IN, fastener_length: 3.260 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-288-9357, 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

6643070 PC23

NSN: 5305-01-288-9357
FSC: 5305 — Screws
CAGE: 7Y333 — ARGO TURBOSERVE CORPORATION DIV ARGO TURBOSERVE CORP. (USA)

SPECIFICATIONS

material	STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4140H OR STEEL COMP 4142 OR STEEL COMP 4142H OR STEEL COMP 4145 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_style	FLAT CHAMFER
head_height	0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.750 INCHES NOMINAL IN
thread_length	1.500 INCHES MINIMUM IN
fastener_length	3.260 INCHES NOMINAL IN
special_features	OPTIONAL KNURLED HEAD
thread_direction	RIGHT-HAND
width_across_flats	0.375 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.500 INCHES IN
NSN	5305-01-288-9357

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN

•

FASTENER LENGTH: 3.260 INCHES NOMINAL IN

•

THREAD LENGTH: 1.500 INCHES MINIMUM IN

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.375 INCHES NOMINAL IN
HEAD HEIGHT	0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
FASTENER LENGTH	3.260 INCHES NOMINAL IN
THREAD LENGTH	1.500 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
SPECIAL FEATURES	OPTIONAL KNURLED HEAD
INTERNAL DRIVE STYLE	HEXAGON
THREAD CLASS	3A A

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 1

781E557 PC65Reference document

Same NSN cross-reference

Reference document — Secondary 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 6643070 PC23?

6643070 PC23 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 6643070 PC23?

There is 1 known substitute for 6643070 PC23: 781E557 PC65. Substitute compatibility should be verified for your specific system.

What is the NSN for 6643070 PC23?

6643070 PC23 is cataloged in the U.S. Government catalog under NSN 5305-01-288-9357. This indicates validated use in U.S. government and defense supply chains.

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