PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 179925
179925 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.156 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN, fastener_length: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-285-5178, 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
179925
NSN: 5305-00-285-5178
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
thread_class2A A
thread_length1.156 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
fastener_length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
minimum_yield_strength85000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-285-5178
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 179925 · 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 LENGTH: 1.156 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
WIDTH BETWEEN FLATS: 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.156 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
WIDTH BETWEEN FLATS0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1118440Interchangeable
interchangeable cross-reference
interchangeable
5897Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-43666 TY3ST3Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-43666Interchangeable
interchangeable cross-reference
interchangeable
4120PL0851837Interchangeable
interchangeable cross-reference
interchangeable
5897-G501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 179925?
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 179925?
179925 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 179925?
There are 12 known substitutes for 179925: 1118440, 5897, MIL-B-43666 TY3ST3 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 179925?
179925 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-285-5178. 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 — 179925

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