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Technical Data Sheet
PartsTable / COMPONENT / 236-1041PC1
236-1041PC1 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, hole_diameter: 0.175 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, outside_diameter: 0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN, surface_treatment: CHROMATE OVERALL, material_thickness: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN, material_document_and_classification: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-765-4307, 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
236-1041PC1
NSN: 5310-00-765-4307
FSC: 5310
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
hole_diameter0.175 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
outside_diameter0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
surface_treatmentCHROMATE OVERALL
material_thickness0.017 INCHES MINIMUM AND 0.023 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
NSN5310-00-765-4307
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 236-1041PC1 · 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
•
MATERIAL: ALUMINUM ALLOY 5052 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE DIAMETER: 0.175 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY 5052 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER0.175 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
MATERIAL THICKNESS0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40D42Interchangeable
interchangeable cross-reference
interchangeable
ASB28Interchangeable
interchangeable cross-reference
interchangeable
542109Interchangeable
interchangeable cross-reference
interchangeable
643090PCALLInterchangeable
interchangeable cross-reference
interchangeable
2409-1009354REVBPC643090Interchangeable
interchangeable cross-reference
interchangeable
P2354REVBPC643090Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 236-1041PC1?
236-1041PC1 is a WASHER,LOCK.
What parts can replace 236-1041PC1?
There are 14 known substitutes for 236-1041PC1: 40D42, ASB28, 542109 and 11 more. Substitute compatibility should be verified for your specific system.
Is 236-1041PC1 still available?
236-1041PC1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026