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6531-61-202-3101 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6531-61-202-3101: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, material: STEEL OVERALL, chamfer_length: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, style_designator: STRAIGHT, pin_chamfer_angle: 45.0 DEGREES NOMINAL, under_head_length: 0.800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-135-1697, 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
6531-61-202-3101
NSN: 5315-01-135-1697
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
diameter0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
materialSTEEL OVERALL
chamfer_length0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
under_head_length0.800 INCHES NOMINAL IN
material_document_and_classificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-135-1697
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6531-61-202-3101 · 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
•
CHAMFER LENGTH: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.800 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.800 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6531-61-202-3101?
6531-61-202-3101 is a PIN,STRAIGHT,HEADED.
What is the NSN for 6531-61-202-3101?
6531-61-202-3101 is cataloged in the U.S. Government catalog under NSN 5315-01-135-1697. This indicates validated use in U.S. government and defense supply chains.
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