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9170568 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9170568: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, hole_diameter: 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, heat_treatment: H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: INTERNAL PREBENT KEY, surface_treatment: CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-778-2864, 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
9170568
NSN: 5310-00-778-2864
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
hole_diameter0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
heat_treatmentH-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD
outside_diameter0.750 INCHES NOMINAL IN
style_designatorINTERNAL PREBENT KEY
surface_treatmentCHROMATE OVERALL
material_thickness0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
wire_hole_diameter0.169 INCHES NOMINAL IN
internal_prebent_key_width0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-778-2864
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9170568 · 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
•
WIRE HOLE DIAMETER: 0.169 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
INTERNAL PREBENT KEY WIDTH: 0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
•
HEAT TREATMENT: H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD
•
STYLE DESIGNATOR: INTERNAL PREBENT KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.169 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
INTERNAL PREBENT KEY WIDTH0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
HEAT TREATMENTH-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD
STYLE DESIGNATORINTERNAL PREBENT KEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE OVERALL
MATERIALALUMINUM ALLOY 5052 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 9170568?
9170568 is a WASHER,KEY.
What is the NSN for 9170568?
9170568 is cataloged in the U.S. Government catalog under NSN 5310-00-778-2864. This indicates validated use in U.S. government and defense supply chains.
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