PartsTable
Technical Data Sheet
Download PDF

91478A585 — SCREW,LAG

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91478A585: SCREW,LAG.

The SCREW,LAG is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, fastener_length: 1.000 INCHES NOMINAL IN, surface_treatment: ZINC AND CHROMATE OVERALL, nonmachine_thread_style: CONE POINT (TYPE BP), nonmachine_nominal_thread_diameter: 0.312 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-280-8710, 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
91478A585
NSN: 5305-01-280-8710
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
fastener_length1.000 INCHES NOMINAL IN
surface_treatmentZINC AND CHROMATE OVERALL
nonmachine_thread_styleCONE POINT (TYPE BP)
nonmachine_nominal_thread_diameter0.312 INCHES IN
NSN5305-01-280-8710
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91478A585 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: CONE POINT (TYPE BP)
•
HEAD STYLE: HEXAGON
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.312 INCHES IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
NONMACHINE THREAD STYLECONE POINT (TYPE BP)
HEAD STYLEHEXAGON
SURFACE TREATMENTZINC AND CHROMATE OVERALL
MATERIALSTEEL OVERALL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 91478A585?
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 91478A585?
91478A585 is a SCREW,LAG.
What is the NSN for 91478A585?
91478A585 is cataloged in the U.S. Government catalog under NSN 5305-01-280-8710. 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 — 91478A585

✓ 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.