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X2131-2 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

X2131-2: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.500 INCHES NOMINAL IN, diameter: 0.500 INCHES NOMINAL IN, material: STEEL OVERALL, head_style: SQUARE, head_width: 0.219 INCHES NOMINAL IN, chamfer_length: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-244-3906, 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
X2131-2
NSN: 5315-00-244-3906
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 82983 — AMF INC AMF YORK DIV (USA)
SPECIFICATIONS
height0.500 INCHES NOMINAL IN
diameter0.500 INCHES NOMINAL IN
materialSTEEL OVERALL
head_styleSQUARE
head_width0.219 INCHES NOMINAL IN
chamfer_length0.031 INCHES NOMINAL IN
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
under_head_length0.375 INCHES NOMINAL IN
NSN5315-00-244-3906
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: X2131-2 · 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: 0.031 INCHES NOMINAL IN
•
HEAD WIDTH: 0.219 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 0.375 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
DIAMETER: 0.500 INCHES NOMINAL IN
•
HEAD STYLE: SQUARE
•
HEIGHT: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.031 INCHES NOMINAL IN
HEAD WIDTH0.219 INCHES NOMINAL IN
UNDER HEAD LENGTH0.375 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
DIAMETER0.500 INCHES NOMINAL IN
HEAD STYLESQUARE
HEIGHT0.500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
2131-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 X2131-2?
X2131-2 is a PIN,STRAIGHT,HEADED.
What parts can replace X2131-2?
There is 1 known substitute for X2131-2: 2131-2. Substitute compatibility should be verified for your specific system.
What is the NSN for X2131-2?
X2131-2 is cataloged in the U.S. Government catalog under NSN 5315-00-244-3906. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.