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321319 — 321319

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

321319: 321319.

The 321319 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 101 OVERALL, thickness: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, hole_diameter: 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, overall_diameter: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-639-5200, 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
321319
NSN: 5310-00-639-5200
NIINs: 006395200, 011108466
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 101 OVERALL
thickness0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
hole_diameter0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
overall_diameter0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-639-5200
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 321319 · 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
•
OVERALL DIAMETER: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 101 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 101 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
THICKNESS0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
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 321319?
321319 is a 321319.
What is the NSN for 321319?
321319 is cataloged in the U.S. Government catalog under NSN 5310-00-639-5200. This indicates validated use in U.S. government and defense supply chains.
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