PartsTable
Technical Data Sheet
Download PDF

91770A247 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91770A247: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROOF, head_height: 0.118 INCHES NOMINAL IN, head_diameter: 0.448 INCHES NOMINAL IN, thread_length: 1.0 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 1.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-641-5843, 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
91770A247
NSN: 5305-01-641-5843
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleROOF
head_height0.118 INCHES NOMINAL IN
head_diameter0.448 INCHES NOMINAL IN
thread_length1.0 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length1.0 INCHES NOMINAL IN
special_featuresPHILLIPS - 18-8 STAINLESS STEEL 10-24 NO. 2 DRIVE
thread_directionRIGHT-HAND
internal_drive_styleTORQUE-SET RIBBED
end_item_identificationMRAP - COUGAR TOW
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
NSN5305-01-641-5843
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91770A247 · 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: 0.118 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.0 INCHES NOMINAL IN
•
THREAD LENGTH: 1.0 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROOF
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.118 INCHES NOMINAL IN
FASTENER LENGTH1.0 INCHES NOMINAL IN
THREAD LENGTH1.0 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROOF
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURESPHILLIPS - 18-8 STAINLESS STEEL 10-24 NO. 2 DRIVE
INTERNAL DRIVE STYLETORQUE-SET RIBBED
PART NAME ASSIGNED BY CONTROLLING AGENCYLARGE-DIAMETER TRUSS HEAD PHILLIPS MACHINE SCREW
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 91770A247?
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 91770A247?
91770A247 is a SCREW,MACHINE.
What is the NSN for 91770A247?
91770A247 is cataloged in the U.S. Government catalog under NSN 5305-01-641-5843. 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 — 91770A247

✓ 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.