40S5-12S — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

40S5-12S: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN, material: STEEL COMP 302 PIN, drive_type: CROSS RECESS, eyelet_length: 0.502 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 5325-01-625-3880, 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

40S5-12S

NSN: 5325-01-625-3880
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 COMP 302 PIN
drive_type	CROSS RECESS
eyelet_length	0.502 INCHES NOMINAL IN
special_features	SPACER MATERIAL IS 300 SERIES CRES PER ASTM A666 OR ASTM A240;SPRING MATERIAL IS 302 CRES PER ASTM A313 OR AMS-QQ-S-763;CUP MATERIAL IS 300 SERIES CRES PER ASTM A167,ASTM A240,ASTM A582 OR ASTM A666
stud_head_height	0.102 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
stud_assembly_style	STUD ASSEMBLY
end_item_identification	CH-53A/D/E A
eyelet_outside_diameter	0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
turnlock_stud_head_style	STUD HEAD
material_accommodated_thickness	0.261 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
NSN	5325-01-625-3880

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL

•

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

•

DRIVE TYPE: CROSS RECESS

•

MATERIAL ACCOMMODATED THICKNESS: 0.261 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 300 SERIES IAW ASTM A276 OR ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STUD

•

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	ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
EYELET OUTSIDE DIAMETER	0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
DRIVE TYPE	CROSS RECESS
MATERIAL ACCOMMODATED THICKNESS	0.261 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	300 SERIES IAW ASTM A276 OR ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STUD
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 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
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	0.713 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLE	STUD HEAD

SUBSTITUTES & CROSS-REFERENCES 1

40S5Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 40S5-12S?

40S5-12S is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace 40S5-12S?

There is 1 known substitute for 40S5-12S: 40S5. Substitute compatibility should be verified for your specific system.

What is the NSN for 40S5-12S?

40S5-12S is cataloged in the U.S. Government catalog under NSN 5325-01-625-3880. This indicates validated use in U.S. government and defense supply chains.

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