The Remover,electrical Contact, cataloged under National Stock Number 5120-01-122-3897, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Oceta. Government technical data includes 3 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-122-3897 |
| Primary Part Number | DRK178-4A |
| Item Name | Remover,electrical Contact |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Oceta |
| Status | ACTIVE |
| Contact Size for Which Designed | NO. 4 |
| Specification/standard Data | 0U583-SAE AS81969 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS AND A COMPOSITION |
| 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 |
|---|---|
| DRK178-4A | Oceta (FRA) |
| Reference | Meaning |
|---|---|
| M81969/27-05 TY2CL1CPA | 5/1 Secondary reference U.S. Government activity |
| DRK178-5 | 5/9 Secondary reference Daniels Manufacturing Corporation |
| 294-551-01 | 5/9 Secondary reference Amphenol Corp Spectra-Strip/itd |
| MS90562-5 | 5/9 Secondary reference U.S. Government activity |
| MIL-I-81969 | 5/9 Secondary reference U.S. Government activity |
| M81969/27-05 | 5/9 Secondary reference U.S. Government activity |
| 294-551-01 | 5/1 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| MIL-I-81969 TY2CL1COA | 5/9 Secondary reference U.S. Government activity |
| DRK178-5A | 5/1 Secondary reference Daniels Manufacturing Corporation |
| AS81969/27 TY2CL1CPA | 5/1 Secondary reference Sae International Dba Sae International |
| AS81969 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5120-01-122-3897 is a Remover,electrical Contact, manufactured by Oceta, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-122-3897 has 1 manufacturer part number on file: DRK178-4A (Oceta).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-127-8286, 5120-01-351-2073. Verify interchangeability with system specifications before substitution.
Key specifications for DRK178-4A: Contact Size for Which Designed: NO. 4; Specification/standard Data: 0U583-SAE AS81969 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A COMPOSITION; Special Features: METAL. 3 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.