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3000399-308 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3000399-308: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, head_style: HEXAGON, head_height: 0.234 INCHES MINIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM IN, fastener_length: 0.984 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-533-1209, 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
3000399-308
NSN: 5305-01-533-1209
FSC: 5305 — Screws
CAGE: 05NF7 — HDT TACTICAL POWER, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
head_styleHEXAGON
head_height0.234 INCHES MINIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM IN
fastener_length0.984 INCHES MINIMUM IN
hardness_rating70.0 ROCKWELL B MINIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.562 INCHES MINIMUM IN
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength70000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch16
NSN5305-01-533-1209
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3000399-308 · 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: 0.234 INCHES MINIMUM IN
•
FASTENER LENGTH: 0.984 INCHES MINIMUM IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM IN
•
HARDNESS RATING: 70.0 ROCKWELL B MINIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.562 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.234 INCHES MINIMUM IN
FASTENER LENGTH0.984 INCHES MINIMUM IN
THREAD LENGTH0.750 INCHES MINIMUM IN
HARDNESS RATING70.0 ROCKWELL B MINIMUM OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.562 INCHES MINIMUM IN
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
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 1
92240A622Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3000399-308?
3000399-308 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 3000399-308?
There is 1 known substitute for 3000399-308: 92240A622. Substitute compatibility should be verified for your specific system.
What is the NSN for 3000399-308?
3000399-308 is cataloged in the U.S. Government catalog under NSN 5305-01-533-1209. 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.