The Collar,pin-Rivet, cataloged under National Stock Number 5320-00-286-0673, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5320-00-286-0673 |
| Primary Part Number | ST3M414A8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Collar Overall Height | 0.283 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN |
| Collar Outside Diameter | 0.392 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 2DC-2AC08 | Howmet Global Fastening Systems Inc (USA) |
| 2DC-2AC08 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 2DC-2AC08 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| ST3M414A8 PRIMARY | The Boeing Company Div Defense (USA) |
| 2DC-2AC08 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2DC-2AC8 | 5/9 Secondary reference Huck Mfg Co |
| 2DC2AC8 | 5/9 Secondary reference Avdel Corp |
NSN 5320-00-286-0673 is a Collar,pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-286-0673 has 5 manufacturer part numbers on file: 2DC-2AC08 (Howmet Global Fastening Systems Inc), 2DC-2AC08 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 2DC-2AC08 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), ST3M414A8 (The Boeing Company Div Defense), 2DC-2AC08 (Huck International, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5320-01-021-2549. Verify interchangeability with system specifications before substitution.
Key specifications for ST3M414A8: Lubrication: CETYL ALCOHOL; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN; Collar Overall Height: 0.283 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN. 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.