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Technical Data Sheet
PartsTable / COMPONENT / 122-2557733 PC NO. 53
122-2557733 PC NO. 53 ✓ 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 122-2557733 PC NO. 53 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-753-3895, 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
122-2557733 PC NO. 53
NSN: 5315-00-753-3895
FSC: 5315
CAGE: 81898 — SUPERVISOR OF SHIPBUILDING CONVERSION AND REPAIR USN (USA)
SPECIFICATIONS
Part Number122-2557733 PC NO. 53
NSN5315-00-753-3895
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 122-2557733 PC NO. 53 · 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
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.048 INCHES NOMINAL IN
•
DIAMETER: 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 410 OR STEEL COMP 420 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL THICKNESS0.048 INCHES NOMINAL IN
OVERALL LENGTH1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
DIAMETER0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
STYLE DESIGNATORSLOTTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
17-06Interchangeable
interchangeable cross-reference
interchangeable
L1206Interchangeable
interchangeable cross-reference
interchangeable
206MInterchangeable
interchangeable cross-reference
interchangeable
B6935Interchangeable
interchangeable cross-reference
interchangeable
765334-1Interchangeable
interchangeable cross-reference
interchangeable
1706ASInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 122-2557733 PC NO. 53?
122-2557733 PC NO. 53 is a 122-2557733 PC NO. 53.
What parts can replace 122-2557733 PC NO. 53?
There are 24 known substitutes for 122-2557733 PC NO. 53: 17-06, L1206, 206M and 21 more. Substitute compatibility should be verified for your specific system.
Is 122-2557733 PC NO. 53 still available?
122-2557733 PC NO. 53 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