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21159-400-1 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21159-400-1: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include pin_head_diameter: 0.500 INCHES NOMINAL IN, under_head_length: 2.250 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: PIN LOCK ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-615-7305, 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
21159-400-1
NSN: 5315-01-615-7305
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
pin_head_diameter0.500 INCHES NOMINAL IN
under_head_length2.250 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyPIN LOCK ASSEMBLY
NSN5315-01-615-7305
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21159-400-1 · 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
•
UNDER HEAD LENGTH: 2.250 INCHES NOMINAL IN
•
PIN HEAD DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH2.250 INCHES NOMINAL IN
PIN HEAD DIAMETER0.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN LOCK ASSEMBLY
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
21163 FIND 9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 21159-400-1?
21159-400-1 is a PIN,STRAIGHT,HEADED.
What parts can replace 21159-400-1?
There is 1 known substitute for 21159-400-1: 21163 FIND 9. Substitute compatibility should be verified for your specific system.
What is the NSN for 21159-400-1?
21159-400-1 is cataloged in the U.S. Government catalog under NSN 5315-01-615-7305. 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.