PartsTable
Technical Data Sheet
Download PDF

4890028-6 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4890028-6: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, material: STEEL COMP 1113 OVERALL, head_radius: 0.310 INCHES NOMINAL IN, chamfer_length: 0.090 INCHES NOMINAL IN, pin_chamfer_angle: 30.0 DEGREES NOMINAL, under_head_length: 4.724 INCHES MINIMUM AND 4.725 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-121-5654, 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
4890028-6
NSN: 5315-01-121-5654
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
diameter0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
materialSTEEL COMP 1113 OVERALL
head_radius0.310 INCHES NOMINAL IN
chamfer_length0.090 INCHES NOMINAL IN
pin_chamfer_angle30.0 DEGREES NOMINAL
under_head_length4.724 INCHES MINIMUM AND 4.725 INCHES MAXIMUM IN
NSN5315-01-121-5654
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4890028-6 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CHAMFER LENGTH: 0.090 INCHES NOMINAL IN
•
HEAD RADIUS: 0.310 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 4.724 INCHES MINIMUM AND 4.725 INCHES MAXIMUM IN
•
PIN CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
DIAMETER: 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1113 OVERALL
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.090 INCHES NOMINAL IN
HEAD RADIUS0.310 INCHES NOMINAL IN
UNDER HEAD LENGTH4.724 INCHES MINIMUM AND 4.725 INCHES MAXIMUM IN
PIN CHAMFER ANGLE30.0 DEGREES NOMINAL
DIAMETER0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1113 OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 4890028-6?
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 4890028-6?
4890028-6 is a PIN,STRAIGHT,HEADED.
What is the NSN for 4890028-6?
4890028-6 is cataloged in the U.S. Government catalog under NSN 5315-01-121-5654. 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 — 4890028-6

✓ 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.