642AS0685-4 — SCREW ASSEMBLY,PANEL

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

642AS0685-4: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP E4340 OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.080 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN, thread_length: 0.490 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-110-7866, 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

642AS0685-4

NSN: 5305-01-110-7866
FSC: 5305 — Screws
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP E4340 OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
head_height	0.080 INCHES NOMINAL IN
thread_class	3A A
head_diameter	0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
thread_length	0.490 INCHES NOMINAL IN
fastener_length	1.578 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
surface_treatment	CHROMATE OVERALL
nominal_thread_diameter	0.190 INCHES IN
NSN	5305-01-110-7866

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.080 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.578 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.490 INCHES NOMINAL IN

•

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

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK UNDERCUT

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.080 INCHES NOMINAL IN
FASTENER LENGTH	1.578 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.490 INCHES NOMINAL IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	CHROMATE OVERALL

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

No substitute or cross-reference records for this part.

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 642AS0685-4?

642AS0685-4 is a SCREW ASSEMBLY,PANEL.

What is the NSN for 642AS0685-4?

642AS0685-4 is cataloged in the U.S. Government catalog under NSN 5305-01-110-7866. This indicates validated use in U.S. government and defense supply chains.

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642AS0685-4 — SCREW ASSEMBLY,PANEL

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