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1599651 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1599651: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, chamfer_length: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, style_designator: STRAIGHTSTRAIGHTSTRAIGHT, pin_chamfer_angle: 45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL, under_head_length: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-331-4829, 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
1599651
NSN: 5315-01-331-4829
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
chamfer_length0.125 INCHES NOMINAL0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
style_designatorSTRAIGHTSTRAIGHTSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
under_head_length2.750 INCHES NOMINAL2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
NSN5315-01-331-4829
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1599651 · 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: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHTSTRAIGHTSTRAIGHT
•
DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.125 INCHES NOMINAL0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
UNDER HEAD LENGTH2.750 INCHES NOMINAL2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHTSTRAIGHTSTRAIGHT
DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL0.375 INCHES NOMINAL 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
5315PL0971313Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1599651?
1599651 is a PIN,STRAIGHT,HEADED.
What parts can replace 1599651?
There is 1 known substitute for 1599651: 5315PL0971313. Substitute compatibility should be verified for your specific system.
What is the NSN for 1599651?
1599651 is cataloged in the U.S. Government catalog under NSN 5315-01-331-4829. 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.