26S42-4 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

26S42-4: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: SLOTTED, eyelet_length: 0.322 INCHES NOMINAL IN, stud_head_height: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, surface_treatment: NICKEL EYELET. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-079-7250, 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

26S42-4

NSN: 5325-00-079-7250
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)

SPECIFICATIONS

diameter	0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
material	STEEL OVERALL
drive_type	SLOTTED
eyelet_length	0.322 INCHES NOMINAL IN
stud_head_height	0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
surface_treatment	NICKEL EYELET
stud_assembly_style	STUD ASSEMBLY
eyelet_outside_diameter	0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
turnlock_stud_head_style	STUD HEAD
surface_treatment_document_and_classification	QQ-N-290,CLASS 1,BRIGHT FINISH,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE EYELET
distance_from_engaging_member_to_largest_bearing_surface_of_head	0.722 INCHES NOMINAL IN
NSN	5325-00-079-7250

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CLASS 1,BRIGHT FINISH,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE EYELET

•

EYELET OUTSIDE DIAMETER: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN

•

DRIVE TYPE: SLOTTED

•

DIAMETER: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN

•

STUD HEAD HEIGHT: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-N-290,CLASS 1,BRIGHT FINISH,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE EYELET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-N-290,CLASS 1,BRIGHT FINISH,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE STUD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE LOCKSPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE PIN
EYELET OUTSIDE DIAMETER	0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
DRIVE TYPE	SLOTTED
DIAMETER	0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
STUD HEAD HEIGHT	0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	0.722 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLE	STUD HEAD

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 4

C37476040KSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C 3747 604 -KSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

VCN71286A0010Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PC21213-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 26S42-4?

26S42-4 is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace 26S42-4?

There are 4 known substitutes for 26S42-4: C37476040K, C 3747 604 -K, VCN71286A0010 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 26S42-4?

26S42-4 is cataloged in the U.S. Government catalog under NSN 5325-00-079-7250. This indicates validated use in U.S. government and defense supply chains.

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