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5221811 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5221811: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.875 INCHES NOMINAL IN, pin_overall_diameter: 0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN, first_end_taper_angle: 45.0 DEGREES NOMINAL, first_end_taper_length: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-533-7803, 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
5221811
NSN: 5315-00-533-7803
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 00000
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_length0.875 INCHES NOMINAL IN
pin_overall_diameter0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.031 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-533-7803
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5221811 · 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
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.875 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.875 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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 4
A221811Reference document
Same NSN cross-reference
Reference document — Secondary reference
21511041Reference document
Same NSN cross-reference
Reference document — Secondary reference
DRP16110 REF11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
DRP-16110 PC 11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 5221811?
5221811 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 5221811?
There are 4 known substitutes for 5221811: A221811, 21511041, DRP16110 REF11 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5221811?
5221811 is cataloged in the U.S. Government catalog under NSN 5315-00-533-7803. This indicates validated use in U.S. government and defense supply chains.
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