DPYS7900-88B4.5 — SCREW ASSEMBLY,PANEL

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

DPYS7900-88B4.5: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.257 INCHES NOMINAL IN, thread_length: 0.250 INCHES NOMINAL IN, fastener_length: 0.722 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-140-0591, 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

DPYS7900-88B4.5

NSN: 5305-01-140-0591
FSC: 5305 — Screws
CAGE: 97928 — HUCK INTL INC (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.257 INCHES NOMINAL IN
thread_length	0.250 INCHES NOMINAL IN
fastener_length	0.722 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE FASTENER
nominal_thread_diameter	0.164 INCHES IN
thread_quantity_per_inch	32
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-140-0591

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.722 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 TYPE 1 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF

•

MATERIAL ACCOMMODATED THICKNESS: 0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.250 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.722 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TYPE 1 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
MATERIAL ACCOMMODATED THICKNESS	0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
THREAD LENGTH	0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

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

DPY7900-8-B-4.5Reference 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 DPYS7900-88B4.5?

DPYS7900-88B4.5 is a SCREW ASSEMBLY,PANEL.

What parts can replace DPYS7900-88B4.5?

There is 1 known substitute for DPYS7900-88B4.5: DPY7900-8-B-4.5. Substitute compatibility should be verified for your specific system.

What is the NSN for DPYS7900-88B4.5?

DPYS7900-88B4.5 is cataloged in the U.S. Government catalog under NSN 5305-01-140-0591. This indicates validated use in U.S. government and defense supply chains.

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