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6MB799 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6MB799: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: TRUSS, head_height: 0.20 INCHES NOMINAL IN, head_diameter: 0.844 INCHES NOMINAL IN, fastener_length: 21.50 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.38 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-661-6536, 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
6MB799
NSN: 5305-01-661-6536
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
head_styleTRUSS
head_height0.20 INCHES NOMINAL IN
head_diameter0.844 INCHES NOMINAL IN
fastener_length21.50 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.38 INCHES IN
thread_quantity_per_inch16.0
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-661-6536
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6MB799 · 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: 0.20 INCHES NOMINAL IN
•
FASTENER LENGTH: 21.50 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.38 INCHES IN
•
HEAD STYLE: TRUSS
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 16.0
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD DIAMETER: 0.844 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.20 INCHES NOMINAL IN
FASTENER LENGTH21.50 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.38 INCHES IN
HEAD STYLETRUSS
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16.0
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD DIAMETER0.844 INCHES NOMINAL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6MB799?
6MB799 is a SCREW,MACHINE.
What is the NSN for 6MB799?
6MB799 is cataloged in the U.S. Government catalog under NSN 5305-01-661-6536. 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.