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A411201 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A411201: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, diameter: 0.306 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, material: STEEL COMP 4340 OVERALL, head_style: FLAT, chamfer_length: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-251-9748, 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
A411201
NSN: 5315-00-251-9748
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 00000
SPECIFICATIONS
height0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
diameter0.306 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
materialSTEEL COMP 4340 OVERALL
head_styleFLAT
chamfer_length0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSTRAIGHT
pin_chamfer_angle14.5 DEGREES MINIMUM AND 15.5 DEGREES MAXIMUM
pin_head_diameter0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
under_head_length1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
first_hole_diameter0.085 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-251-9748
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A411201 · 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: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
•
PIN CHAMFER ANGLE: 14.5 DEGREES MINIMUM AND 15.5 DEGREES MAXIMUM
•
FIRST HOLE DIAMETER: 0.085 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
PIN CHAMFER ANGLE14.5 DEGREES MINIMUM AND 15.5 DEGREES MAXIMUM
FIRST HOLE DIAMETER0.085 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
DIAMETER0.306 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
HEAD STYLEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
505654Reference document
Same NSN cross-reference
Reference document — Secondary reference
WEB110877Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A411201?
A411201 is a PIN,STRAIGHT,HEADED.
What parts can replace A411201?
There are 2 known substitutes for A411201: 505654, WEB110877. Substitute compatibility should be verified for your specific system.
What is the NSN for A411201?
A411201 is cataloged in the U.S. Government catalog under NSN 5315-00-251-9748. 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.