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3M303-5-6 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M303-5-6: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: SOCKET, grip_length: 0.3533 INCHES NOMINAL IN, extension_length: 0.3827 INCHES NOMINAL IN, stud_head_height: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-136-2953, 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
3M303-5-6
NSN: 5325-00-136-2953
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
diameter0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
materialSTEEL OVERALL
drive_typeSOCKET
grip_length0.3533 INCHES NOMINAL IN
extension_length0.3827 INCHES NOMINAL IN
stud_head_height0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFLAT FILLISTER
stud_shank_major_diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
stud_thread_size_and_series/type_designator0.190-32 ADQBDAN UNF
NSN5325-00-136-2953
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M303-5-6 · 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
•
DRIVE TYPE: SOCKET
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.3827 INCHES NOMINAL IN
•
DIAMETER: 0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
•
STUD HEAD HEIGHT: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FLAT FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
DRIVE TYPESOCKET
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.3827 INCHES NOMINAL IN
DIAMETER0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
STUD HEAD HEIGHT0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFLAT FILLISTER
STUD SHANK MAJOR DIAMETER0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-32 ADQBDAN UNF
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M303-5-6?
3M303-5-6 is a STUD,TURNLOCK FASTENER.
What is the NSN for 3M303-5-6?
3M303-5-6 is cataloged in the U.S. Government catalog under NSN 5325-00-136-2953. This indicates validated use in U.S. government and defense supply chains.
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