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413923 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

413923: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 347 OR STEEL COMP 321 OVERALL, hole_diameter: 0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, material_thickness: 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, external_prebent_key_angle: 13.0 DEGREES MINIMUM AND 17.0 DEGREES MAXIMUM, external_prebent_key_width: 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-787-8026, 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
413923
NSN: 5310-00-787-8026
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 347 OR STEEL COMP 321 OVERALL
hole_diameter0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
special_featuresCRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
material_thickness0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
external_key_quantity4
external_prebent_key_angle13.0 DEGREES MINIMUM AND 17.0 DEGREES MAXIMUM
external_prebent_key_width0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
criticality_code_justificationFEAT
material_document_and_classificationAMS 5575 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5576 ASSN STD 2ND MATERIAL RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
NSN5310-00-787-8026
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 413923 · 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
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5575 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5576 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 4
•
EXTERNAL PREBENT KEY ANGLE: 13.0 DEGREES MINIMUM AND 17.0 DEGREES MAXIMUM
•
EXTERNAL PREBENT KEY WIDTH: 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5575 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5576 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY4
EXTERNAL PREBENT KEY ANGLE13.0 DEGREES MINIMUM AND 17.0 DEGREES MAXIMUM
SPECIAL FEATURESCRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
EXTERNAL PREBENT KEY WIDTH0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
MATERIALSTEEL COMP 347 OR STEEL COMP 321 OVERALL
HOLE DIAMETER0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 413923?
413923 is a WASHER,KEY.
What is the NSN for 413923?
413923 is cataloged in the U.S. Government catalog under NSN 5310-00-787-8026. This indicates validated use in U.S. government and defense supply chains.
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