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8353-26 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
Zapf · NUT WASHER
PRODUCT OVERVIEW

8353-26: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a Zapf industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.171 INCHES NOMINAL IN, overall_length: 0.395 INCHES NOMINAL IN, shank_diameter: 0.218 INCHES NOMINAL IN, first_end_style: SQUARE, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-012-3359, 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
8353-26
NSN: 5315-01-012-3359
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 00268 — CEF INDUSTRIES, LLC DBA CEF INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.171 INCHES NOMINAL IN
overall_length0.395 INCHES NOMINAL IN
shank_diameter0.218 INCHES NOMINAL IN
first_end_styleSQUARE
second_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.250 INCHES NOMINAL IN
first_end_locationSMALL END
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-012-3359
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8353-26 · Zapf ⚠ 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
•
SHANK DIAMETER: 0.218 INCHES NOMINAL IN
•
FIRST END LOCATION: SMALL END
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 0.171 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SHOULDER DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.218 INCHES NOMINAL IN
FIRST END LOCATIONSMALL END
FIRST END STYLESQUARE
SHANK LENGTH0.171 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH0.395 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SHOULDER DIAMETER0.250 INCHES NOMINAL IN
SECOND END STYLESQUARE
MATERIALSTEEL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8353-26?
8353-26 is a PIN,SHOULDER,HEADLESS manufactured by Zapf.
What is the NSN for 8353-26?
8353-26 is cataloged in the U.S. Government catalog under NSN 5315-01-012-3359. 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.