PartsTable
Technical Data Sheet
PartsTable / COMPONENT / HL80251
HL80251 ✓ 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: ROUND, head_height: 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, thread_length: 0.625 INCHES NOMINAL IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-145-6807, 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
HL80251
NSN: 5305-00-145-6807
FSC: 5305
CAGE: 08645 — BRIGGS AND STRATTON CORP (USA)
SPECIFICATIONS
head_styleROUND
head_height0.175 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
thread_length0.625 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-145-6807
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HL80251 · 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
•
THREAD QUANTITY PER INCH: 20
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD LENGTH: 0.625 INCHES NOMINAL IN
•
SCREW MATERIAL: STEEL
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.175 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH20
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.625 INCHES NOMINAL IN
SCREW MATERIALSTEEL
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.175 INCHES MAXIMUM IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
HEAD DIAMETER0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
217Interchangeable
interchangeable cross-reference
interchangeable
K2982Interchangeable
interchangeable cross-reference
interchangeable
A-A-59584Interchangeable
interchangeable cross-reference
interchangeable
6217Interchangeable
interchangeable cross-reference
interchangeable
R34449Interchangeable
interchangeable cross-reference
interchangeable
322191Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy HL80251?
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 HL80251?
HL80251 is a SCREW,MACHINE.
What parts can replace HL80251?
There are 15 known substitutes for HL80251: 217, K2982, A-A-59584 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HL80251?
HL80251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-145-6807. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — HL80251

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026