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27S8-1-1AA — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

27S8-1-1AA: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: TORQUE SET, eyelet_length: 0.328 INCHES NOMINAL IN, stud_head_height: 0.072 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-005-6742, 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
27S8-1-1AA
NSN: 5325-01-005-6742
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeTORQUE SET
eyelet_length0.328 INCHES NOMINAL IN
stud_head_height0.072 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
securing_device_typeWASHER
eyelet_outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_styleSTUD HEAD
material_accommodated_thickness0.030 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-005-6742
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 27S8-1-1AA · 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: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EYELET OUTSIDE DIAMETER: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
DRIVE TYPE: TORQUE SET
•
MATERIAL ACCOMMODATED THICKNESS: 0.030 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.072 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: WASHER
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.461 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EYELET OUTSIDE DIAMETER0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DRIVE TYPETORQUE SET
MATERIAL ACCOMMODATED THICKNESS0.030 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
DIAMETER0.250 INCHES NOMINAL IN
STUD HEAD HEIGHT0.072 INCHES NOMINAL IN
SECURING DEVICE TYPEWASHER
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.461 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLESTUD HEAD
SURFACE TREATMENTCADMIUM AND CHROMATE 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

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 27S8-1-1AA?
27S8-1-1AA is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for 27S8-1-1AA?
27S8-1-1AA is cataloged in the U.S. Government catalog under NSN 5325-01-005-6742. This indicates validated use in U.S. government and defense supply chains.
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