The Pin,eccentric, cataloged under National Stock Number 5315-01-055-0223, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-055-0223 |
| Primary Part Number | 12266618 |
| Item Name | Pin,eccentric |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Offset Distance Between Geometric Center of Head and Centerline of Shank/shoulder | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| First Step Diameter | 0.550 INCHES NOMINAL IN |
| Numeric Designation of Step Eccentric to Head | 2 |
| Third Step Diameter | 0.550 INCHES NOMINAL IN |
| Head Width | 0.372 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Second Step Length | 1.280 INCHES NOMINAL IN |
| Style Designator | ECCENTRIC |
| Head Style | SQUARE |
| Second Step Diameter | 0.7499 INCHES NOMINAL IN |
| Height | 0.200 INCHES NOMINAL IN |
| First Step Length | 0.160 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Third Step Length | 0.180 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12266618 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 6695-689 | 5/9 Secondary reference Recon/optical, Inc. |
NSN 5315-01-055-0223 is a Pin,eccentric, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-055-0223 has 1 manufacturer part number on file: 12266618 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266618: Offset Distance Between Geometric Center of Head and Centerline of Shank/shoulder: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; First Step Diameter: 0.550 INCHES NOMINAL IN; Numeric Designation of Step Eccentric to Head: 2; Third Step Diameter: 0.550 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.