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11516988 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11516988: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 9.8 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 5.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM, thread_length: 102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM, fastener_length: 102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-674-0002, 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
11516988
NSN: 5305-01-674-0002
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 9.8 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height5.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM
thread_length102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM
fastener_length102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM
thread_directionRIGHT-HAND
width_between_flats9.5 MILLIMETERS MINIMUM AND 14.5 MILLIMETERS MAXIMUM MM
end_item_identification2320-01-652-5208
nominal_thread_diameter8.0 MILLIMETERS MM
extended_washer_diameter15.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM
thread_series_designatorM
thread_pitch_in_millimeters1.25
NSN5305-01-674-0002
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11516988 · 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: 5.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM
•
EXTENDED WASHER DIAMETER: 15.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD LENGTH: 102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT5.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM
FASTENER LENGTH102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM
EXTENDED WASHER DIAMETER15.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS1.25
THREAD LENGTH102.5 MILLIMETERS MINIMUM AND 107.5 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS9.5 MILLIMETERS MINIMUM AND 14.5 MILLIMETERS MAXIMUM MM
END ITEM IDENTIFICATION2320-01-652-5208
SUBSTITUTES & CROSS-REFERENCES 1
4370299Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 11516988?
11516988 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 11516988?
There is 1 known substitute for 11516988: 4370299. Substitute compatibility should be verified for your specific system.
What is the NSN for 11516988?
11516988 is cataloged in the U.S. Government catalog under NSN 5305-01-674-0002. 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.