2558779-5 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

2558779-5: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, material: STEEL COMP 8740 STUD, drive_type: SOCKET, grip_length: 0.891 INCHES MINIMUM AND 0.901 INCHES MAXIMUM IN, extension_length: 0.469 INCHES NOMINAL IN, stud_head_height: 0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-222-4081, 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

2558779-5

NSN: 5325-01-222-4081
FSC: 5325 — Fastening Devices
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

diameter	0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
material	STEEL COMP 8740 STUD
drive_type	SOCKET
grip_length	0.891 INCHES MINIMUM AND 0.901 INCHES MAXIMUM IN
extension_length	0.469 INCHES NOMINAL IN
stud_head_height	0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
surface_treatment	CADMIUM AND CHROMATE STUD
turnlock_stud_head_style	FLAT FILLISTER
stud_shank_major_diameter	0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
turnlock_stud_shank_style	STUD SHANK
material_document_and_classification	AISI ASSN STD SINGLE MATERIAL RESPONSE STUD
stud_thread_size_and_series/type_designator	0.250-28 UNF
NSN	5325-01-222-4081

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

DRIVE TYPE: SOCKET

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

EXTENSION LENGTH: 0.469 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE STUD

•

DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

STUD HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN

•

TURNLOCK STUD HEAD STYLE: FLAT FILLISTER

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE STUD
DRIVE TYPE	SOCKET
TURNLOCK STUD SHANK STYLE	STUD SHANK
EXTENSION LENGTH	0.469 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE STUD
DIAMETER	0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
STUD HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLE	FLAT FILLISTER
STUD SHANK MAJOR DIAMETER	0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM AND CHROMATE 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

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 2558779-5?

2558779-5 is a STUD,TURNLOCK FASTENER.

What is the NSN for 2558779-5?

2558779-5 is cataloged in the U.S. Government catalog under NSN 5325-01-222-4081. This indicates validated use in U.S. government and defense supply chains.

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2558779-5 — STUD,TURNLOCK FASTENER

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