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6317999 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6317999: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: KNURLED NO. 5, head_height: 6.5 MILLIMETERS NOMINAL MM, head_diameter: 7.0 MILLIMETERS NOMINAL MM, thread_length: 6.0 MILLIMETERS NOMINAL MM, shoulder_shape: ROUND FIRST SHOULDER.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-332-2160, 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
6317999
NSN: 5305-01-332-2160
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleKNURLED NO. 5
head_height6.5 MILLIMETERS NOMINAL MM
head_diameter7.0 MILLIMETERS NOMINAL MM
thread_length6.0 MILLIMETERS NOMINAL MM
shoulder_shapeROUND FIRST SHOULDER
fastener_length12.0 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM MM
shoulder_length2.5 MILLIMETERS NOMINAL FIRST SHOULDER MM
thread_directionRIGHT-HAND
shoulder_diameter5.3 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM FIRST SHOULDER MM
nominal_thread_diameter3.0 MILLIMETERS MM
thread_series_designatorM
NSN5305-01-332-2160
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6317999 · 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: 6.5 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6E
•
FASTENER LENGTH: 12.0 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM MM
•
SHOULDER LENGTH: 2.5 MILLIMETERS NOMINAL FIRST SHOULDER MM
•
SHOULDER DIAMETER: 5.3 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM FIRST SHOULDER MM
•
THREAD PITCH IN MILLIMETERS: 0.50
•
THREAD LENGTH: 6.0 MILLIMETERS NOMINAL MM
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT6.5 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6E
FASTENER LENGTH12.0 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM MM
SHOULDER LENGTH2.5 MILLIMETERS NOMINAL FIRST SHOULDER MM
SHOULDER DIAMETER5.3 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM FIRST SHOULDER MM
THREAD PITCH IN MILLIMETERS0.50
THREAD LENGTH6.0 MILLIMETERS NOMINAL MM
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER3.0 MILLIMETERS MM
HEAD STYLEKNURLED NO. 5
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 2
460190300Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
336-100-029Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6317999?
6317999 is a THUMBSCREW.
What parts can replace 6317999?
There are 2 known substitutes for 6317999: 460190300, 336-100-029. Substitute compatibility should be verified for your specific system.
What is the NSN for 6317999?
6317999 is cataloged in the U.S. Government catalog under NSN 5305-01-332-2160. This indicates validated use in U.S. government and defense supply chains.
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