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C120-31 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C120-31: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, first_end_style: CHAMFERED, second_end_style: SQUARE, pin_overall_length: 1.650 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN, pin_overall_diameter: 0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN, first_end_taper_angle: 30.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-290-5282, 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
C120-31
NSN: 5315-00-290-5282
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79960 — ZENITH FUEL SYSTEMS LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
first_end_styleCHAMFERED
second_end_styleSQUARE
pin_overall_length1.650 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
pin_overall_diameter0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
first_end_taper_angle30.0 DEGREES NOMINAL
first_end_taper_length0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
material_document_and_classificationSAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-00-290-5282
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C120-31 · 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
•
FIRST END TAPER LENGTH: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 30.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.650 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END STYLE: SQUARE
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE30.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.650 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLESQUARE
MATERIALCOPPER ALLOY 360 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
404852Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2185480Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C120-31?
C120-31 is a PIN,STRAIGHT,HEADLESS.
What parts can replace C120-31?
There are 2 known substitutes for C120-31: 404852, 2185480. Substitute compatibility should be verified for your specific system.
What is the NSN for C120-31?
C120-31 is cataloged in the U.S. Government catalog under NSN 5315-00-290-5282. This indicates validated use in U.S. government and defense supply chains.
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