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3527540 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3527540: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, diameter: 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, material: STEEL COMP 1049 OVERALL, head_style: FLAT, chamfer_length: 0.250 INCHES NOMINAL IN, hardness_rating: 60.0 ROCKWELL C NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-352-7540, 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
3527540
NSN: 5315-00-352-7540
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.375 INCHES NOMINAL IN
diameter1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
materialSTEEL COMP 1049 OVERALL
head_styleFLAT
chamfer_length0.250 INCHES NOMINAL IN
hardness_rating60.0 ROCKWELL C NOMINAL OVERALL
style_designatorSTRAIGHT
features_providedCASEHARDENED
pin_chamfer_angle25.0 DEGREES NOMINAL
pin_head_diameter2.250 INCHES NOMINAL IN
under_head_length5.750 INCHES NOMINAL IN
first_hole_diameter0.516 INCHES NOMINAL IN
NSN5315-00-352-7540
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3527540 · 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: 0.250 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 5.750 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 25.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.516 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 ROCKWELL C NOMINAL OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 2.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.250 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH5.750 INCHES NOMINAL IN
PIN CHAMFER ANGLE25.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.516 INCHES NOMINAL IN
HARDNESS RATING60.0 ROCKWELL C NOMINAL OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER2.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
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
3F4971Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3527540?
3527540 is a PIN,STRAIGHT,HEADED.
What parts can replace 3527540?
There is 1 known substitute for 3527540: 3F4971. Substitute compatibility should be verified for your specific system.
What is the NSN for 3527540?
3527540 is cataloged in the U.S. Government catalog under NSN 5315-00-352-7540. 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.