Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
First End Taper Angle: 5.0 DEGREES NOMINAL
Pin Overall Diameter: 0.5000 INCHES NOMINAL IN
Pin Overall Length: 4.000 INCHES NOMINAL IN
Second End Relationship with First End: NOT IDENTICAL
Identification
NSN: 5315-01-121-0502
NIIN: 011210502
FSC: 5315 — Nails, Machine Keys, and Pins
FSG: 53 — Hardware and Abrasives
General Description
The Pin,straight,headless, cataloged under National Stock Number 5315-01-121-0502, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5315-01-121-0502
Item Name
Pin,straight,headless
FSC / FSG
5315 / 53 — Nails, Machine Keys, and Pins
Status
ACTIVE
Surface Finish
8.0 MICROINCHES OUTSIDE DIAMETER
First End Style
CHAMFERED
Hardness Rating
50.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
First End Taper Angle
5.0 DEGREES NOMINAL
Pin Overall Diameter
0.5000 INCHES NOMINAL IN
Pin Overall Length
4.000 INCHES NOMINAL IN
Second End Relationship with First End
NOT IDENTICAL
Second End Style
RADIUS
Material
STEEL OVERALL
Second End Corner Radius
0.114 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
NAS607-8-32
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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
5315-00-000-1037 · Item name not on file
5315-00-000-1067
5315-00-000-1067 · Item name not on file
5315-00-000-1245
5315-00-000-1245 · Item name not on file
5315-00-000-1372
5315-00-000-1372 · Item name not on file
5315-00-000-1412
5315-00-000-1412 · Item name not on file
5315-00-001-1571
PIN
5315-00-001-1572
PIN,LINKAGE
5315-00-001-1602
5315-00-001-1602 · Item name not on file
Frequently Asked Questions
What is NSN 5315-01-121-0502?
NSN 5315-01-121-0502 is a Pin,straight,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What are the specifications of 5315-01-121-0502?
Key specifications for 5315-01-121-0502: Surface Finish: 8.0 MICROINCHES OUTSIDE DIAMETER; First End Style: CHAMFERED; Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL; First End Taper Angle: 5.0 DEGREES NOMINAL. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5315-01-121-0502 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.