The Holder,electrode, cataloged under National Stock Number 5977-01-161-6680, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5977-01-161-6680 |
| Primary Part Number | 3E1A |
| Item Name | Holder,electrode |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Mounting Configuration | PIPE MOUNTED NPT1-111/2 THREAD |
| Material | IRON LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 3E1A PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| 6-1-8102 | 1/2 Source control — Government-approved source U.S. Government activity |
| 6-1-6200 ITEM 21 | 5/9 Secondary reference U.S. Government activity |
| 3E1A | 5/9 Secondary reference Warrick Controls Inc |
NSN 5977-01-161-6680 is a Holder,electrode, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-161-6680 has 1 manufacturer part number on file: 3E1A (Setra Systems, Inc. Dba Gems Sensors).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-287-8394, 5940-01-356-1050. Verify interchangeability with system specifications before substitution.
Key specifications for 3E1A: Mounting Configuration: PIPE MOUNTED NPT1-111/2 THREAD; End Item Identification: FORCE PROVIDER(ARMY); Material: IRON LOCATION NOT OTHERWISE SPECIFIED. 2 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.