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GB510CG611 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GB510CG611: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN, head_diameter: 0.704 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-193-7613, 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
GB510CG611
NSN: 5305-01-193-7613
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN
head_diameter0.704 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
thread_length0.352 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES GRIP
fastener_length1.227 INCHES MINIMUM AND 1.247 INCHES MAXIMUM IN
hardness_rating43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
locking_featureDETENT BALL GRIP
thread_directionRIGHT-HAND
NSN5305-01-193-7613
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GB510CG611 · 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 FINISH: 32.0 MICROINCHES GRIP
•
FASTENER LENGTH: 1.227 INCHES MINIMUM AND 1.247 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.352 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP
FASTENER LENGTH1.227 INCHES MINIMUM AND 1.247 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.352 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 GB510CG611?
GB510CG611 is a SCREW,CLOSE TOLERANCE.
What is the NSN for GB510CG611?
GB510CG611 is cataloged in the U.S. Government catalog under NSN 5305-01-193-7613. 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.