40S45-4 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

40S45-4: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: SLOTTED, eyelet_length: 0.257 INCHES NOMINAL IN, stud_head_height: 0.102 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-498-0816, 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

40S45-4

NSN: 5325-00-498-0816
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)

SPECIFICATIONS

diameter	0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
material	STEEL OVERALL
drive_type	SLOTTED
eyelet_length	0.257 INCHES NOMINAL IN
stud_head_height	0.102 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
stud_assembly_style	STUD ASSEMBLY
securing_device_type	WASHER
eyelet_outside_diameter	0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
turnlock_stud_head_style	FLAT COUNTERSUNK
material_accommodated_thickness	0.141 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5325-00-498-0816

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

EYELET OUTSIDE DIAMETER: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN

•

DRIVE TYPE: SLOTTED

•

MATERIAL ACCOMMODATED THICKNESS: 0.141 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN

•

DIAMETER: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN

•

STUD HEAD HEIGHT: 0.102 INCHES NOMINAL IN

•

SECURING DEVICE TYPE: WASHER

•

DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.615 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EYELET OUTSIDE DIAMETER	0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
DRIVE TYPE	SLOTTED
MATERIAL ACCOMMODATED THICKNESS	0.141 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
DIAMETER	0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
STUD HEAD HEIGHT	0.102 INCHES NOMINAL IN
SECURING DEVICE TYPE	WASHER
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	0.615 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLE	FLAT COUNTERSUNK
SURFACE TREATMENT	PASSIVATE OVERALL

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

C3747411CDSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 40S45-4?

40S45-4 is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace 40S45-4?

There is 1 known substitute for 40S45-4: C3747411CD. Substitute compatibility should be verified for your specific system.

What is the NSN for 40S45-4?

40S45-4 is cataloged in the U.S. Government catalog under NSN 5325-00-498-0816. This indicates validated use in U.S. government and defense supply chains.

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40S45-4 — STUD ASSEMBLY,TURNLOCK FASTENER

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