PartsTable
Technical Data Sheet
Download PDF

91253A874 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91253A874: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.324 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.188 INCHES NOMINAL IN, thread_length: 1.926 INCHES NOMINAL IN, fastener_length: 2.25 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-678-9268, 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
91253A874
NSN: 5305-01-678-9268
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.324 INCHES NOMINAL IN
thread_class3A A
head_diameter1.188 INCHES NOMINAL IN
thread_length1.926 INCHES NOMINAL IN
fastener_length2.25 INCHES NOMINAL IN
hardness_rating44.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle0.82 DEGREES NOMINAL
surface_treatmentBLACK CHEMICAL FINISH OVERALL
width_across_flats0.375 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-01-678-9268
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91253A874 · 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: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.324 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.25 INCHES NOMINAL IN
•
THREAD LENGTH: 1.926 INCHES NOMINAL IN
•
HARDNESS RATING: 44.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: BLACK CHEMICAL FINISH OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
HEAD HEIGHT0.324 INCHES NOMINAL IN
FASTENER LENGTH2.25 INCHES NOMINAL IN
THREAD LENGTH1.926 INCHES NOMINAL IN
HARDNESS RATING44.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTBLACK CHEMICAL FINISH OVERALL
MINIMUM TENSILE STRENGTH135000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEHEXAGON
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 91253A874?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 91253A874?
91253A874 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91253A874?
91253A874 is cataloged in the U.S. Government catalog under NSN 5305-01-678-9268. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 91253A874