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8164404 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8164404: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1095 OVERALL, recess_angle: 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM, hole_diameter: 0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN, recess_diameter: 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN, outside_diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, special_features: WASHER OD HAS TWO FLAT PARALLEL SURFACES. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-341-2358, 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
8164404
NSN: 5310-00-341-2358
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1095 OVERALL
recess_angle99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM
hole_diameter0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
recess_diameter0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
outside_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
special_featuresWASHER OD HAS TWO FLAT PARALLEL SURFACES
style_designatorFINISHING
surface_treatmentCADMIUM OVERALL
material_thickness0.016 INCHES NOMINAL IN
minimum_tensile_strength140000 POUNDS PER SQUARE INCH LBS
material_document_and_classificationMIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-341-2358
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8164404 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: FINISHING
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.016 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORFINISHING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
MATERIAL THICKNESS0.016 INCHES NOMINAL IN
RECESS DIAMETER0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SPECIAL FEATURESWASHER OD HAS TWO FLAT PARALLEL SURFACES
SURFACE TREATMENTCADMIUM OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH LBS
MATERIALSTEEL COMP 1095 OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8164404?
8164404 is a WASHER,FINISHING.
What is the NSN for 8164404?
8164404 is cataloged in the U.S. Government catalog under NSN 5310-00-341-2358. This indicates validated use in U.S. government and defense supply chains.
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