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990 8790 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

990 8790: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 12.9 OVERALL, head_style: FLAT CHAMFER, head_height: 4.0 MILLIMETERS NOMINAL MM, head_diameter: 7.0 MILLIMETERS NOMINAL MM, thread_length: 6.60 MILLIMETERS NOMINAL MM, fastener_length: 8.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-264-3601, 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
990 8790
NSN: 5305-01-264-3601
FSC: 5305 — Screws
CAGE: 34914 — HIAB USA INC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 12.9 OVERALL
head_styleFLAT CHAMFER
head_height4.0 MILLIMETERS NOMINAL MM
head_diameter7.0 MILLIMETERS NOMINAL MM
thread_length6.60 MILLIMETERS NOMINAL MM
fastener_length8.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_across_flats3.0 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
nominal_thread_diameter4.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters0.7
NSN5305-01-264-3601
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 990 8790 · 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
•
WIDTH ACROSS FLATS: 3.0 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 4.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 8.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.7
•
THREAD LENGTH: 6.60 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: DIN 912 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS3.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT4.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH8.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.7
THREAD LENGTH6.60 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 912 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 990 8790?
990 8790 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 990 8790?
990 8790 is cataloged in the U.S. Government catalog under NSN 5305-01-264-3601. This indicates validated use in U.S. government and defense supply chains.
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