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GB510FG7D26 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GB510FG7D26: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, head_diameter: 0.826 INCHES MINIMUM AND 0.888 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-355-6951, 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
GB510FG7D26
NSN: 5305-01-355-6951
FSC: 5305 — Screws
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleFLAT COUNTERSUNK
grip_length1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
head_diameter0.826 INCHES MINIMUM AND 0.888 INCHES MAXIMUM IN
thread_length0.594 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES GRIP
fastener_length2.203 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
NSN5305-01-355-6951
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GB510FG7D26 · 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 THREADS
•
FASTENER LENGTH: 2.203 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.594 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
FASTENER LENGTH2.203 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.594 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
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 GB510FG7D26?
GB510FG7D26 is a SCREW,CLOSE TOLERANCE.
What is the NSN for GB510FG7D26?
GB510FG7D26 is cataloged in the U.S. Government catalog under NSN 5305-01-355-6951. 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.