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GS520CP1 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

GS520CP1: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE OVERALL, shank_length: 0.063 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN, overall_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, shank_diameter: 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, first_end_style: COUNTERBORED W/O THRU HOLE, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-340-1403, 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
GS520CP1
NSN: 5315-01-340-1403
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303SE OVERALL
shank_length0.063 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
shank_diameter0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
first_end_styleCOUNTERBORED W/O THRU HOLE
second_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.142 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
first_end_locationSHANK END
first_end_counterbore_depth0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
first_end_counterbore_diameter0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5315-01-340-1403
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GS520CP1 · 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
•
SHANK DIAMETER: 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
FIRST END LOCATION: SHANK END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END COUNTERBORE DIAMETER: 0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
FIRST END STYLE: COUNTERBORED W/O THRU HOLE
•
SHANK LENGTH: 0.063 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
FIRST END LOCATIONSHANK END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END COUNTERBORE DIAMETER0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
FIRST END STYLECOUNTERBORED W/O THRU HOLE
SHANK LENGTH0.063 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS520CP1?
GS520CP1 is a PIN,SHOULDER,HEADLESS.
What is the NSN for GS520CP1?
GS520CP1 is cataloged in the U.S. Government catalog under NSN 5315-01-340-1403. This indicates validated use in U.S. government and defense supply chains.
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