PartsTable
Technical Data Sheet
Download PDF

90471A273 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90471A273: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.678 INCHES NOMINAL IN, fastener_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-676-7264, 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
90471A273
NSN: 5305-01-676-7264
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.312 INCHES NOMINAL IN
thread_length0.678 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentZINC OVERALL
internal_drive_styleCROSS RECESS TYPE II
end_item_identification016079674
nominal_thread_diameter0.134 INCHES IN
NSN5305-01-676-7264
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90471A273 · 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
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.678 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.134 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: ZINC OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE II
•
COUNTERSINK ANGLE: 100.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.678 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.134 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE II
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYFLAT HEAD SCREW
THREAD CLASS2A A
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 90471A273?
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 90471A273?
90471A273 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 90471A273?
90471A273 is cataloged in the U.S. Government catalog under NSN 5305-01-676-7264. 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 — 90471A273

✓ 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.