PartsTable
Technical Data Sheet
Download PDF

91420A224 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91420A224: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_height: 2.2 MILLIMETERS NOMINAL MM, head_diameter: 7.5 MILLIMETERS NOMINAL MM, thread_length: 11.8 MILLIMETERS NOMINAL MM, screw_material: STEEL, fastener_length: 11.8 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-682-0551, 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
91420A224
NSN: 5305-01-682-0551
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_height2.2 MILLIMETERS NOMINAL MM
head_diameter7.5 MILLIMETERS NOMINAL MM
thread_length11.8 MILLIMETERS NOMINAL MM
screw_materialSTEEL
fastener_length11.8 MILLIMETERS NOMINAL MM
hardness_rating71.0 ROCKWELL B NOMINAL
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter4.0 MILLIMETERS MM
screw_surface_treatmentZINC
NSN5305-01-682-0551
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91420A224 · 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: 2.2 MILLIMETERS NOMINAL MM
•
SCREW SURFACE TREATMENT: ZINC
•
FASTENER LENGTH: 11.8 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.7
•
THREAD LENGTH: 11.8 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 71.0 ROCKWELL B NOMINAL
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.2 MILLIMETERS NOMINAL MM
SCREW SURFACE TREATMENTZINC
FASTENER LENGTH11.8 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.7
THREAD LENGTH11.8 MILLIMETERS NOMINAL MM
HARDNESS RATING71.0 ROCKWELL B NOMINAL
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
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
No demilitarization required
Ready to buy 91420A224?
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 91420A224?
91420A224 is a SCREW,MACHINE.
What is the NSN for 91420A224?
91420A224 is cataloged in the U.S. Government catalog under NSN 5305-01-682-0551. 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 — 91420A224

✓ 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.