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91239A144 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91239A144: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 10.9 OVERALL, head_style: BUTTON, head_height: 2.2 MILLIMETERS NOMINAL MM, head_diameter: 7.6 MILLIMETERS NOMINAL MM, thread_length: 10.0 MILLIMETERS NOMINAL MM, fastener_length: 10.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-609-7811, 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
91239A144
NSN: 5305-01-609-7811
FSC: 5305 — Screws
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 10.9 OVERALL
head_styleBUTTON
head_height2.2 MILLIMETERS NOMINAL MM
head_diameter7.6 MILLIMETERS NOMINAL MM
thread_length10.0 MILLIMETERS NOMINAL MM
fastener_length10.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_across_flats2.5 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
end_item_identification2420015323399
nominal_thread_diameter4.0 MILLIMETERS MM
thread_series_designatorM
NSN5305-01-609-7811
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91239A144 · 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: 2.5 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 2.2 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 10.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.7
•
THREAD LENGTH: 10.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.5 MILLIMETERS NOMINAL MM
HEAD HEIGHT2.2 MILLIMETERS NOMINAL MM
FASTENER LENGTH10.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.7
THREAD LENGTH10.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
COLORBLACK OVERALL
INTERNAL DRIVE STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 1
1139900Same 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 91239A144?
91239A144 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 91239A144?
There is 1 known substitute for 91239A144: 1139900. Substitute compatibility should be verified for your specific system.
What is the NSN for 91239A144?
91239A144 is cataloged in the U.S. Government catalog under NSN 5305-01-609-7811. 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.