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10990331 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10990331: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 2.9 MILLIMETERS NOMINAL MM, head_diameter: 8.39 MILLIMETERS NOMINAL MM, thread_length: 16.0 MILLIMETERS NOMINAL MM, fastener_length: 20.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-696-9577, 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
10990331
NSN: 5305-01-696-9577
FSC: 5305 — Screws
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height2.9 MILLIMETERS NOMINAL MM
head_diameter8.39 MILLIMETERS NOMINAL MM
thread_length16.0 MILLIMETERS NOMINAL MM
fastener_length20.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
end_item_identificationMK-75 GUN MOUNT
nominal_thread_diameter5.0 MILLIMETERS MM
minimum_tensile_strength177000 POUNDS PER SQUARE INCH LBS
thread_series_designatorM
thread_pitch_in_millimeters0.8
part_name_assigned_by_controlling_agencySOCKET HD CAP SCREW HIGH TENSILE, CLASS 12.9
NSN5305-01-696-9577
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10990331 · 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: 2.9 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 20.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.8
•
THREAD LENGTH: 16.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 5.0 MILLIMETERS MM
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 177000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.9 MILLIMETERS NOMINAL MM
FASTENER LENGTH20.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.8
THREAD LENGTH16.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER5.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH177000 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYSOCKET HD CAP SCREW HIGH TENSILE, CLASS 12.9
END ITEM IDENTIFICATIONMK-75 GUN MOUNT
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5338743Reference document
Same NSN cross-reference
Reference document — Drawing number 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 10990331?
10990331 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 10990331?
There is 1 known substitute for 10990331: 5338743. Substitute compatibility should be verified for your specific system.
What is the NSN for 10990331?
10990331 is cataloged in the U.S. Government catalog under NSN 5305-01-696-9577. This indicates validated use in U.S. government and defense supply chains.
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