40S5-25 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

40S5-25: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN, material: STEEL EJECTOR SPRING, drive_type: CROSS RECESS, eyelet_length: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, stud_head_height: 0.102 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-184-3829, 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

40S5-25

NSN: 5325-01-184-3829
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 EJECTOR SPRING
drive_type	CROSS RECESS
eyelet_length	0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
stud_head_height	0.102 INCHES NOMINAL IN
surface_treatment	CADMIUM AND CHROMATE OVERALL
stud_assembly_style	STUD ASSEMBLY
securing_device_type	GROMMET
eyelet_outside_diameter	0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
turnlock_stud_head_style	STUD HEAD
material_document_and_classification	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5325-01-184-3829

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

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

•

DRIVE TYPE: CROSS RECESS

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN

•

DIAMETER: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN

•

STUD HEAD HEIGHT: 0.102 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EYELET OUTSIDE DIAMETER	0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
DRIVE TYPE	CROSS RECESS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A109 ASSN STD 2ND MATERIAL RESPONSE EYELET
DIAMETER	0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
STUD HEAD HEIGHT	0.102 INCHES NOMINAL IN
SECURING DEVICE TYPE	GROMMET
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	1.143 INCHES NOMINAL IN

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 2

BACS21ED25RReference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

BACS21X25RReference document

Same NSN cross-reference

Reference document — Secondary 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 40S5-25?

40S5-25 is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace 40S5-25?

There are 2 known substitutes for 40S5-25: BACS21ED25R, BACS21X25R. Substitute compatibility should be verified for your specific system.

What is the NSN for 40S5-25?

40S5-25 is cataloged in the U.S. Government catalog under NSN 5325-01-184-3829. This indicates validated use in U.S. government and defense supply chains.

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