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PartsTable / COMPONENT / 2640-682-10 ITEM 42
2640-682-10 ITEM 42 ✓ 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 PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, material: STEEL COMP 410 OR STEEL COMP 420 OVERALL, overall_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, shear_strength: 2100 DOUBLE POUND, surface_finish: 80.0 MICROINCHES OUTSIDE DIAMETER, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-823-8743, 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
2640-682-10 ITEM 42
NSN: 5315-00-823-8743
FSC: 5315
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
diameter0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
materialSTEEL COMP 410 OR STEEL COMP 420 OVERALL
overall_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
shear_strength2100 DOUBLE POUND
surface_finish80.0 MICROINCHES OUTSIDE DIAMETER
hardness_rating43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentPASSIVATE OVERALL
material_thickness0.028 INCHES MINIMUM IN
end_item_identificationARMORED MULTI-PURPOSE VEHICLE (AMPV)
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-823-8743
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2640-682-10 ITEM 42 · 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
•
DIAMETER: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.028 INCHES MINIMUM IN
•
SHEAR STRENGTH: 2100 DOUBLE POUND
•
STYLE DESIGNATOR: SLOTTED
•
SURFACE FINISH: 80.0 MICROINCHES OUTSIDE DIAMETER
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MATERIAL THICKNESS0.028 INCHES MINIMUM IN
OVERALL LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SHEAR STRENGTH2100 DOUBLE POUND
STYLE DESIGNATORSLOTTED
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
19975Interchangeable
interchangeable cross-reference
interchangeable
M-19975Interchangeable
interchangeable cross-reference
interchangeable
5110-00-763-3183Interchangeable
interchangeable cross-reference
interchangeable
738Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-836 TY2Interchangeable
interchangeable cross-reference
interchangeable
79-028-125-0375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2640-682-10 ITEM 42?
2640-682-10 ITEM 42 is a PIN,SPRING.
What parts can replace 2640-682-10 ITEM 42?
There are 16 known substitutes for 2640-682-10 ITEM 42: 19975, M-19975, 5110-00-763-3183 and 13 more. Substitute compatibility should be verified for your specific system.
Is 2640-682-10 ITEM 42 still available?
2640-682-10 ITEM 42 is currently cancelled.
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Last verified: July 2026