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10516599 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10516599: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL, head_style: KNURLED NO. 1, head_height: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, point_style: POINTLESS, thread_class: 2A A, head_diameter: 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-910-9443, 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
10516599
NSN: 5305-00-910-9443
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
head_styleKNURLED NO. 1
head_height0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
point_stylePOINTLESS
thread_class2A A
head_diameter0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
thread_length1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.516 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
shoulder_length0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
NSN5305-00-910-9443
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10516599 · 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
•
HEAD HEIGHT: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.516 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
FASTENER LENGTH1.516 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
SHOULDER LENGTH0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
5305009109443Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 10516599?
10516599 is a THUMBSCREW.
What parts can replace 10516599?
There is 1 known substitute for 10516599: 5305009109443. Substitute compatibility should be verified for your specific system.
What is the NSN for 10516599?
10516599 is cataloged in the U.S. Government catalog under NSN 5305-00-910-9443. 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.