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K52207-P08 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

K52207-P08: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN, material: STEEL COMP 4340 OR STEEL COMP 8740 OVERALL, hole_diameter: 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, outside_diameter: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN, special_features: APPLICATION TEMP 450 DEG F; HEAT TREAT RC 38-44 PER AMS-H-6875 DEGF, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-613-4265, 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
K52207-P08
NSN: 5310-01-613-4265
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
radius0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
materialSTEEL COMP 4340 OR STEEL COMP 8740 OVERALL
hole_diameter0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
outside_diameter0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
special_featuresAPPLICATION TEMP 450 DEG F; HEAT TREAT RC 38-44 PER AMS-H-6875 DEGF
style_designatorCONCAVE
surface_treatmentCADMIUM OVERALL
material_thickness0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyWASHER, SELF-ALIGNING, CONCAVE
surface_treatment_document_and_classificationQQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-613-4265
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K52207-P08 · 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, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
RADIUS: 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
MATERIAL THICKNESS0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
SPECIAL FEATURESAPPLICATION TEMP 450 DEG F; HEAT TREAT RC 38-44 PER AMS-H-6875 DEGF
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, SELF-ALIGNING, CONCAVE
MATERIALSTEEL COMP 4340 OR STEEL COMP 8740 OVERALL
HOLE DIAMETER0.213 INCHES MINIMUM AND 0.219 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K52207-P08?
K52207-P08 is a WASHER,CONCAVE.
What is the NSN for K52207-P08?
K52207-P08 is cataloged in the U.S. Government catalog under NSN 5310-01-613-4265. This indicates validated use in U.S. government and defense supply chains.
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