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44B3521 258A — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

44B3521 258A: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.093 INCHES NOMINAL IN, material: STEEL COMP 302 OVERALL, underloop_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-132-2295, 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
44B3521 258A
NSN: 5315-01-132-2295
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 72957 — ELLIOTT COMPANY DIV JEANNETTE (USA)
SPECIFICATIONS
diameter0.093 INCHES NOMINAL IN
materialSTEEL COMP 302 OVERALL
underloop_length0.750 INCHES NOMINAL IN
NSN5315-01-132-2295
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 44B3521 258A · 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
•
DIAMETER: 0.093 INCHES NOMINAL IN
•
UNDERLOOP LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 302 OVERALL
TECHNICAL CHARACTERISTICS
DIAMETER0.093 INCHES NOMINAL IN
UNDERLOOP LENGTH0.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 302 OVERALL
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 1
44B3021-1003H PIECE 1C22Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 44B3521 258A?
44B3521 258A is a PIN,COTTER.
What parts can replace 44B3521 258A?
There is 1 known substitute for 44B3521 258A: 44B3021-1003H PIECE 1C22. Substitute compatibility should be verified for your specific system.
What is the NSN for 44B3521 258A?
44B3521 258A is cataloged in the U.S. Government catalog under NSN 5315-01-132-2295. 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.