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9KP522 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9KP522: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, outside_diameter: 0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN, nondefinitive_spec/std_data: A TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-019-0669, 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
9KP522
NSN: 5310-00-019-0669
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
outside_diameter0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
nondefinitive_spec/std_dataA TYPE
material_document_and_classificationQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-019-0669
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9KP522 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
MATERIAL THICKNESS0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 9
2010760PC4Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS35333-88Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
190669Reference document
Same NSN cross-reference
Reference document — Secondary reference
HD58-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFW100Reference document
Same NSN cross-reference
Reference document — Identification reference
567178-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9KP522?
9KP522 is a WASHER,LOCK.
What parts can replace 9KP522?
There are 9 known substitutes for 9KP522: 2010760PC4, MS35333-88, 190669 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9KP522?
9KP522 is cataloged in the U.S. Government catalog under NSN 5310-00-019-0669. This indicates validated use in U.S. government and defense supply chains.
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