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UA4T30IYY218 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

UA4T30IYY218: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.3125 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, drive_type: SLOTTED, grip_length: 0.665 INCHES NOMINAL IN, special_features: FURNISHED W/ 4 LEAD THREADS, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-330-5404, 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
UA4T30IYY218
NSN: 5325-01-330-5404
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.3125 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
drive_typeSLOTTED
grip_length0.665 INCHES NOMINAL IN
special_featuresFURNISHED W/ 4 LEAD THREADS
surface_treatmentCADMIUM AND CHROMATE OVERALL
securing_device_typeRING
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-330-5404
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: UA4T30IYY218 · 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
•
DRIVE TYPE: SLOTTED
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.3125 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPESLOTTED
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.3125 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SPECIAL FEATURESFURNISHED W/ 4 LEAD THREADS
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL CORROSION RESISTING 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 2
WA514IYReference document
Same NSN cross-reference
Reference document — Secondary reference
03A083-4-03Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is UA4T30IYY218?
UA4T30IYY218 is a STUD,TURNLOCK FASTENER.
What parts can replace UA4T30IYY218?
There are 2 known substitutes for UA4T30IYY218: WA514IY, 03A083-4-03. Substitute compatibility should be verified for your specific system.
What is the NSN for UA4T30IYY218?
UA4T30IYY218 is cataloged in the U.S. Government catalog under NSN 5325-01-330-5404. This indicates validated use in U.S. government and defense supply chains.
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