The Pin,eccentric, cataloged under National Stock Number 5315-01-317-2704, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-317-2704 |
| Primary Part Number | CA4403-6 |
| Item Name | Pin,eccentric |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| First Step Diameter | 0.687 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relief Under Head Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Third Step Length | 0.474 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 |
|---|---|
| CA4403-6 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 11400-12-4-6 | Reid Products Inc. Dba Reid Products Inc (USA) |
| EP1042-4-4-6 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| DPS7970-12-4-6 | 5/9 Secondary reference U.S. Government activity |
| DPS7970-12-4-6 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5315-01-317-2704 is a Pin,eccentric, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-317-2704 has 3 manufacturer part numbers on file: CA4403-6 (Howmet Global Fastening Systems Inc. Div Tridair Products), 11400-12-4-6 (Reid Products Inc. Dba Reid Products Inc), EP1042-4-4-6 (Fastener Innovation Technology, Inc. Dba F I T).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-380-3614. Verify interchangeability with system specifications before substitution.
Key specifications for CA4403-6: First Step Diameter: 0.687 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Third Step Diameter: 0.125 INCHES NOMINAL IN; Material Document and Classification: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 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.