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2528681 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2528681: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, surface_finish: 63.0 MICROINCHES OVERALL, first_end_style: ROUND, hardness_rating: 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL, surface_treatment: PHOSPHATE MANGANESE OVERALL, pin_overall_length: 0.656 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-026-3852, 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
2528681
NSN: 5315-01-026-3852
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
surface_finish63.0 MICROINCHES OVERALL
first_end_styleROUND
hardness_rating50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
surface_treatmentPHOSPHATE MANGANESE OVERALL
pin_overall_length0.656 INCHES NOMINAL IN
pin_overall_diameter0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
first_end_outer_radius0.328 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationMIL-C-16232,TYM,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-026-3852
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2528681 · 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
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-16232,TYM,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: ROUND
•
HARDNESS RATING: 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
•
PIN OVERALL DIAMETER: 0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.656 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
SURFACE TREATMENT: PHOSPHATE MANGANESE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232,TYM,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLEROUND
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
PIN OVERALL DIAMETER0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.656 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SURFACE TREATMENTPHOSPHATE MANGANESE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
FIRST END OUTER RADIUS0.328 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2528681?
2528681 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 2528681?
2528681 is cataloged in the U.S. Government catalog under NSN 5315-01-026-3852. This indicates validated use in U.S. government and defense supply chains.
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