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542126 — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

542126: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 5.0 MILLIMETERS NOMINAL MM, material: STEEL OVERALL, point_type: EXTENDED PRONG ROUND, style_designator: STANDARD, underloop_length: 32.0 MILLIMETERS NOMINAL MM, end_item_identification: 226227966. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-849-8610, 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
542126
NSN: 5310-00-849-8610
NIINs: 008498610, 016285940
FSC: 5310 — Nuts and Washers
CAGE: S0554 — TOKYO JUDOGI KOGYO CO. (JPN)
SPECIFICATIONS
diameter5.0 MILLIMETERS NOMINAL MM
materialSTEEL OVERALL
point_typeEXTENDED PRONG ROUND
style_designatorSTANDARD
underloop_length32.0 MILLIMETERS NOMINAL MM
end_item_identification226227966
NSN5310-00-849-8610
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 542126 · 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
•
SURFACE FINISH: 63.0 MICROINCHES BOTTOM
•
OVERALL DIAMETER: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
HEAT TREATMENT: AS FABRICATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OR AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 410 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
OVERALL DIAMETER0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OR AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 410 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.103 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
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 542126?
542126 is a PIN,COTTER.
What is the NSN for 542126?
542126 is cataloged in the U.S. Government catalog under NSN 5310-00-849-8610. 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.