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221-0269 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

221-0269: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.100 INCHES NOMINAL IN, diameter: 0.312 INCHES NOMINAL IN, material: STEEL OVERALL, head_style: FLAT, grip_length: 0.859 INCHES NOMINAL IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-584-9591, 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
221-0269
NSN: 5315-01-584-9591
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 16835 — FERNO WASHINGTON, INC. DBA FERNO WASHINGTON INC (USA)
SPECIFICATIONS
height0.100 INCHES NOMINAL IN
diameter0.312 INCHES NOMINAL IN
materialSTEEL OVERALL
head_styleFLAT
grip_length0.859 INCHES NOMINAL IN
first_end_styleSQUARE
style_designatorGROOVE
pin_head_diameter0.430 INCHES NOMINAL IN
under_head_length1.000 INCHES NOMINAL IN
end_item_identification4110-01-534-7675
NSN5315-01-584-9591
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 221-0269 · 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
•
UNDER HEAD LENGTH: 1.000 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.430 INCHES NOMINAL IN
•
DIAMETER: 0.312 INCHES NOMINAL IN
•
HEAD STYLE: FLAT
•
GRIP LENGTH: 0.859 INCHES NOMINAL IN
•
HEIGHT: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH1.000 INCHES NOMINAL IN
FIRST END STYLESQUARE
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.430 INCHES NOMINAL IN
DIAMETER0.312 INCHES NOMINAL IN
HEAD STYLEFLAT
GRIP LENGTH0.859 INCHES NOMINAL IN
HEIGHT0.100 INCHES NOMINAL IN
END ITEM IDENTIFICATION4110-01-534-7675
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221-0269?
221-0269 is a PIN,GROOVED,HEADED.
What is the NSN for 221-0269?
221-0269 is cataloged in the U.S. Government catalog under NSN 5315-01-584-9591. 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.