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Technical Data Sheet
PartsTable / COMPONENT / 91249A144
91249A144 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.970 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.270 INCHES NOMINAL IN, thread_length: 0.250 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-584-3815, 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
91249A144
NSN: 5305-01-584-3815
FSC: 5305
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_stylePAN
head_height0.970 INCHES NOMINAL IN
thread_class2A A
head_diameter0.270 INCHES NOMINAL IN
thread_length0.250 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.347 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE III
nominal_thread_diameter0.137 INCHES IN
screw_surface_treatmentOXIDE
thread_quantity_per_inch32
NSN5305-01-584-3815
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91249A144 · 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: 0.970 INCHES NOMINAL IN
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 0.347 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
HEAD STYLE: PAN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SCREW SURFACE TREATMENT: OXIDE
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.970 INCHES NOMINAL IN
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS2A A
FASTENER LENGTH0.347 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
HEAD STYLEPAN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW SURFACE TREATMENTOXIDE
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.137 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
48264Interchangeable
interchangeable cross-reference
interchangeable
8800-876407-8Interchangeable
interchangeable cross-reference
interchangeable
1112945-1Interchangeable
interchangeable cross-reference
interchangeable
3221950093Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91249A144?
91249A144 is a SCREW,MACHINE.
What parts can replace 91249A144?
There are 4 known substitutes for 91249A144: 48264, 8800-876407-8, 1112945-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91249A144?
91249A144 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-584-3815. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026