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MC90170A226 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MC90170A226: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.250 INCHES NOMINAL IN, diameter: 0.312 INCHES NOMINAL IN, material: STEEL OVERALL, head_style: L SHAPE, head_width: 0.500 INCHES NOMINAL IN, head_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-479-0304, 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
MC90170A226
NSN: 5315-01-479-0304
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 1PN61 — DILLON AERO, INC. (USA)
SPECIFICATIONS
height0.250 INCHES NOMINAL IN
diameter0.312 INCHES NOMINAL IN
materialSTEEL OVERALL
head_styleL SHAPE
head_width0.500 INCHES NOMINAL IN
head_length0.500 INCHES NOMINAL IN
chamfer_length0.063 INCHES NOMINAL IN
style_designatorSTRAIGHT
features_providedLOCK RING
pin_chamfer_angle45.0 DEGREES NOMINAL
surface_treatmentZINC OVERALL
under_head_length1.562 INCHES NOMINAL IN
NSN5315-01-479-0304
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MC90170A226 · 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: 0.063 INCHES NOMINAL IN
•
HEAD WIDTH: 0.500 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 1.562 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
DIAMETER: 0.312 INCHES NOMINAL IN
•
FEATURES PROVIDED: LOCK RING
•
HEAD STYLE: L SHAPE
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.063 INCHES NOMINAL IN
HEAD WIDTH0.500 INCHES NOMINAL IN
UNDER HEAD LENGTH1.562 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
DIAMETER0.312 INCHES NOMINAL IN
FEATURES PROVIDEDLOCK RING
HEAD STYLEL SHAPE
HEAD LENGTH0.500 INCHES NOMINAL IN
HEIGHT0.250 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MC90170A226?
MC90170A226 is a PIN,STRAIGHT,HEADED.
What is the NSN for MC90170A226?
MC90170A226 is cataloged in the U.S. Government catalog under NSN 5315-01-479-0304. 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.