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L12M-RFA — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

L12M-RFA: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, overall_length: 2.062 INCHES NOMINAL IN, undercut_width: 0.250 INCHES NOMINAL IN, first_end_style: CHAMFERED, hardness_rating: 52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-020-6784, 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
L12M-RFA
NSN: 5315-01-020-6784
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 06550 — INGERSOLL-RAND CO MATERIAL HANDLING DIV (USA)
SPECIFICATIONS
diameter0.500 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
overall_length2.062 INCHES NOMINAL IN
undercut_width0.250 INCHES NOMINAL IN
first_end_styleCHAMFERED
hardness_rating52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL
undercut_radius0.250 INCHES NOMINAL IN
effective_length1.625 INCHES NOMINAL IN
special_featuresEND NOTCHED 1/4 BY 1/4
style_designatorGROOVE
features_providedCASEHARDENED
undercut_diameter0.375 INCHES NOMINAL IN
NSN5315-01-020-6784
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: L12M-RFA · 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
•
UNDERCUT WIDTH: 0.250 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.062 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.375 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.141 INCHES NOMINAL IN
•
HARDNESS RATING: 52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.250 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.062 INCHES NOMINAL IN
UNDERCUT DIAMETER0.375 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.141 INCHES NOMINAL IN
HARDNESS RATING52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
DIAMETER0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
290Reference document
Same NSN cross-reference
Reference document — Secondary reference
L12MReference document
Same NSN cross-reference
Reference document — Secondary reference
290-BReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 L12M-RFA?
L12M-RFA is a PIN,GROOVED,HEADLESS.
What parts can replace L12M-RFA?
There are 3 known substitutes for L12M-RFA: 290, L12M, 290-B. Substitute compatibility should be verified for your specific system.
What is the NSN for L12M-RFA?
L12M-RFA is cataloged in the U.S. Government catalog under NSN 5315-01-020-6784. This indicates validated use in U.S. government and defense supply chains.
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