KPA83 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

KPA83: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.550 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN, thread_length: 1.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-331-7568, 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

KPA83

NSN: 5305-01-331-7568
FSC: 5305 — Screws
CAGE: 02750 — EATON AEROSPACE LLC DBA EATON INOAC DIV FLUID & ELECTRICAL DISTRIBUTION (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
head_style	FLAT CHAMFER
head_height	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.550 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
thread_length	1.2500 INCHES NOMINAL IN
fastener_length	1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
NSN	5305-01-331-7568

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING

•

THREAD LENGTH: 1.2500 INCHES NOMINAL IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MS16995-85 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
HEAD HEIGHT	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
FASTENER LENGTH	1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
THREAD LENGTH	1.2500 INCHES NOMINAL IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MS16995-85 MIL SPEC SINGLE 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 1

LL-HX7-0099Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is KPA83?

KPA83 is a SCREW,CAP,SOCKET HEAD.

What parts can replace KPA83?

There is 1 known substitute for KPA83: LL-HX7-0099. Substitute compatibility should be verified for your specific system.

What is the NSN for KPA83?

KPA83 is cataloged in the U.S. Government catalog under NSN 5305-01-331-7568. This indicates validated use in U.S. government and defense supply chains.

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