XX78328-20 — STUD,TURNBUTTON FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

XX78328-20: STUD,TURNBUTTON FASTENER.

The STUD,TURNBUTTON FASTENER is a the manufacturer industrial component. Key specifications include height: 0.763 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN, material: COPPER ALLOY BARREL, base_width: 0.530 INCHES MINIMUM IN, end_length: 0.625 INCHES NOMINAL IN, base_length: 0.785 INCHES MINIMUM IN, button_width: 0.531 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-055-7451, 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

XX78328-20

NSN: 5325-00-055-7451
FSC: 5325 — Fastening Devices
CAGE: 83058 — TRW ASSEMBLIES AND FASTENERS GROUP FASTENERS DIV (USA)

SPECIFICATIONS

height	0.763 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
material	COPPER ALLOY BARREL
base_width	0.530 INCHES MINIMUM IN
end_length	0.625 INCHES NOMINAL IN
base_length	0.785 INCHES MINIMUM IN
button_width	0.531 INCHES NOMINAL IN
button_thickness	0.312 INCHES NOMINAL IN
surface_treatment	OXIDE FILM TOP
turnbutton_stud_style	MACHINE SCREW
socket_accommodated_quantity	1
material_document_and_classification	MIL-S-7947 COND A MIL SPEC 2ND MATERIAL RESPONSE EJECTOR SPRING
thread_size_and_series/type_designator	0.190-32 UNIFIED NATIONAL COARSE (UNC)
NSN	5325-00-055-7451

COMPONENT DIAGRAM

KEY FEATURES

•

BUTTON THICKNESS: 0.312 INCHES NOMINAL IN

•

END LENGTH: 0.625 INCHES NOMINAL IN

•

TURNBUTTON STUD STYLE: MACHINE SCREW

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-495 MIL SPEC 1ST TREATMENT RESPONSE BARREL

•

SOCKET ACCOMMODATED QUANTITY: 1

TECHNICAL CHARACTERISTICS

BUTTON THICKNESS	0.312 INCHES NOMINAL IN
END LENGTH	0.625 INCHES NOMINAL IN
TURNBUTTON STUD STYLE	MACHINE SCREW
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-495 MIL SPEC 1ST TREATMENT RESPONSE BARREL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-495 MIL SPEC 4TH TREATMENT RESPONSE TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325 TYPE 2 CLASS 3 FED SPEC 2ND TREATMENT RESPONSE EJECTOR SPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325 TYPE 2 CLASS 3 FED SPEC 3RD TREATMENT RESPONSE STUD
SOCKET ACCOMMODATED QUANTITY	1
BUTTON WIDTH	0.531 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD 3RD MATERIAL RESPONSE STUD

OTHER ITEMS IN FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317

SUBSTITUTES & CROSS-REFERENCES 1

12553023Reference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 XX78328-20?

XX78328-20 is a STUD,TURNBUTTON FASTENER.

What parts can replace XX78328-20?

There is 1 known substitute for XX78328-20: 12553023. Substitute compatibility should be verified for your specific system.

What is the NSN for XX78328-20?

XX78328-20 is cataloged in the U.S. Government catalog under NSN 5325-00-055-7451. This indicates validated use in U.S. government and defense supply chains.

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