The Pin,eccentric, cataloged under National Stock Number 5315-01-321-4161, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-321-4161 |
| Primary Part Number | 5189109-003 |
| Item Name | Pin,eccentric |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First Step Diameter | 0.560 INCHES NOMINAL IN |
| Numeric Designation of Step Eccentric to Head | 2 |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Style Designator | ECCENTRIC |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Width Between Flats | 0.380 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | SOCKET |
| Material | STEEL COMP 4140 AND STEEL COMP 4130 OVERALL |
| Third Step Length | 0.670 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 |
|---|---|
| CA40043-4 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 5189109-003 PRIMARY | Naval Sea Systems Command (USA) |
| FT 1662 | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| 5189109-003 | 5/9 Secondary reference Raytheon Company |
NSN 5315-01-321-4161 is a Pin,eccentric, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-321-4161 has 3 manufacturer part numbers on file: CA40043-4 (Howmet Global Fastening Systems Inc. Div Tridair Products), 5189109-003 (Naval Sea Systems Command), FT 1662 (Fastener Technology Corp).
Key specifications for 5189109-003: First Step Diameter: 0.560 INCHES NOMINAL IN; Numeric Designation of Step Eccentric to Head: 2; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Third Step Diameter: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 11 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.