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2K2188 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2K2188: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, point_style: CHAMFER DOG, point_length: 1.375 INCHES NOMINAL IN, thread_class: 2A A, point_diameter: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-161-5498, 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
2K2188
NSN: 5305-01-161-5498
FSC: 5305 — Screws
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
point_styleCHAMFER DOG
point_length1.375 INCHES NOMINAL IN
thread_class2A A
point_diameter0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating50.0 ROCKWELL C MINIMUM OVERALL
thread_directionRIGHT-HAND
point_chamfer_angle30.0 DEGREES NOMINAL
width_between_flats0.938 INCHES NOMINAL IN
nominal_thread_diameter0.625 INCHES IN
NSN5305-01-161-5498
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2K2188 · 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
•
POINT DIAMETER: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
POINT LENGTH: 1.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
HARDNESS RATING: 50.0 ROCKWELL C MINIMUM OVERALL
•
POINT CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
POINT LENGTH1.375 INCHES NOMINAL IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
HARDNESS RATING50.0 ROCKWELL C MINIMUM OVERALL
POINT CHAMFER ANGLE30.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
POINT STYLECHAMFER DOG
WIDTH BETWEEN FLATS0.938 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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
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FREQUENTLY ASKED QUESTIONS
What is 2K2188?
2K2188 is a SETSCREW.
What is the NSN for 2K2188?
2K2188 is cataloged in the U.S. Government catalog under NSN 5305-01-161-5498. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.