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4X40-ST-A2L — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4X40-ST-A2L: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 3.5 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM MM, material: STEEL CORROSION RESISTING OVERALL, point_type: EXTENDED PRONG SQUARE CUT OR EXTENDED PRONG CHISEL, style_designator: STANDARD, underloop_length: 38.75 MILLIMETERS MINIMUM AND 41.25 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-155-5404, 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
4X40-ST-A2L
NSN: 5315-01-155-5404
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: I9008 — INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) (CHE)
SPECIFICATIONS
diameter3.5 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM MM
materialSTEEL CORROSION RESISTING OVERALL
point_typeEXTENDED PRONG SQUARE CUT OR EXTENDED PRONG CHISEL
style_designatorSTANDARD
underloop_length38.75 MILLIMETERS MINIMUM AND 41.25 MILLIMETERS MAXIMUM MM
NSN5315-01-155-5404
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4X40-ST-A2L · 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
•
STYLE DESIGNATOR: STANDARD
•
DIAMETER: 3.5 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM MM
•
UNDERLOOP LENGTH: 38.75 MILLIMETERS MINIMUM AND 41.25 MILLIMETERS MAXIMUM MM
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
POINT TYPE: EXTENDED PRONG SQUARE CUT OR EXTENDED PRONG CHISEL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTANDARD
DIAMETER3.5 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM MM
UNDERLOOP LENGTH38.75 MILLIMETERS MINIMUM AND 41.25 MILLIMETERS MAXIMUM MM
MATERIALSTEEL CORROSION RESISTING OVERALL
POINT TYPEEXTENDED PRONG SQUARE CUT OR EXTENDED PRONG CHISEL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 4
DIN94-4X40-ST-A2LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0153 5309Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10501630Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DIN94-4X40-STReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 4X40-ST-A2L?
4X40-ST-A2L is a PIN,COTTER.
What parts can replace 4X40-ST-A2L?
There are 4 known substitutes for 4X40-ST-A2L: DIN94-4X40-ST-A2L, 0153 5309, 10501630 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4X40-ST-A2L?
4X40-ST-A2L is cataloged in the U.S. Government catalog under NSN 5315-01-155-5404. This indicates validated use in U.S. government and defense supply chains.
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