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26S26-1 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

26S26-1: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.580 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING HOUSING, drive_type: KNURLED AND SLOTTED, eyelet_length: 0.332 INCHES NOMINAL IN, stud_head_height: 0.690 INCHES NOMINAL IN, surface_treatment: PASSIVATE STUD. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-553-2385, 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
26S26-1
NSN: 5325-01-553-2385
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.580 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING HOUSING
drive_typeKNURLED AND SLOTTED
eyelet_length0.332 INCHES NOMINAL IN
stud_head_height0.690 INCHES NOMINAL IN
surface_treatmentPASSIVATE STUD
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_styleKNURLED
material_document_and_classificationASTM A580 ASSN STD 1ST MATERIAL RESPONSE AND ASTM A581 ASSN STD 2ND MATERIAL RESPONSE AND ASTM A582 ASSN STD 3RD MATERIAL RESPONSE AND ASTM A276 ASSN STD 4TH MATERIAL RESPONSE STUD
part_name_assigned_by_controlling_agencySTUD ASSEMBLY, NON-MAGNETIC
surface_treatment_document_and_classificationASTM A967 ASSN STD ALL TREATMENT RESPONSES STUD
NSN5325-01-553-2385
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26S26-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A967 ASSN STD ALL TREATMENT RESPONSES HOUSING
•
EYELET OUTSIDE DIAMETER: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
DRIVE TYPE: KNURLED AND SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A240 ASSN STD ALL MATERIAL RESPONSES HOUSING
•
DIAMETER: 0.580 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.690 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A967 ASSN STD ALL TREATMENT RESPONSES HOUSING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A967 ASSN STD ALL TREATMENT RESPONSES STUD
EYELET OUTSIDE DIAMETER0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DRIVE TYPEKNURLED AND SLOTTED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A240 ASSN STD ALL MATERIAL RESPONSES HOUSING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A580 ASSN STD 1ST MATERIAL RESPONSE AND ASTM A581 ASSN STD 2ND MATERIAL RESPONSE AND ASTM A582 ASSN STD 3RD MATERIAL RESPONSE AND ASTM A276 ASSN STD 4TH MATERIAL RESPONSE STUD
DIAMETER0.580 INCHES NOMINAL IN
STUD HEAD HEIGHT0.690 INCHES NOMINAL IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.479 INCHES MINIMUM AND 0.542 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEKNURLED
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26S26-1?
26S26-1 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for 26S26-1?
26S26-1 is cataloged in the U.S. Government catalog under NSN 5325-01-553-2385. This indicates validated use in U.S. government and defense supply chains.
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