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ST3M505-6-9 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M505-6-9: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include head_diameter: 0.75 INCHES MINIMUM AND 0.76 INCHES MAXIMUM IN, fastener_length: 0.50 INCHES MINIMUM AND 0.53 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, part_name_assigned_by_controlling_agency: SCREW-CLOSE TOLERANCE,100 DEGREE DOVETAIL SLOT HEAD;0.0312 OVERSIZE,CRES. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-628-7715, 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
ST3M505-6-9
NSN: 5305-01-628-7715
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
head_diameter0.75 INCHES MINIMUM AND 0.76 INCHES MAXIMUM IN
fastener_length0.50 INCHES MINIMUM AND 0.53 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
part_name_assigned_by_controlling_agencySCREW-CLOSE TOLERANCE,100 DEGREE DOVETAIL SLOT HEAD;0.0312 OVERSIZE,CRES
NSN5305-01-628-7715
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M505-6-9 · 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
•
FASTENER LENGTH: 0.50 INCHES MINIMUM AND 0.53 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD DIAMETER: 0.75 INCHES MINIMUM AND 0.76 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.50 INCHES MINIMUM AND 0.53 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW-CLOSE TOLERANCE,100 DEGREE DOVETAIL SLOT HEAD;0.0312 OVERSIZE,CRES
HEAD DIAMETER0.75 INCHES MINIMUM AND 0.76 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 ST3M505-6-9?
ST3M505-6-9 is a SCREW,SHOULDER.
What is the NSN for ST3M505-6-9?
ST3M505-6-9 is cataloged in the U.S. Government catalog under NSN 5305-01-628-7715. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.