The Insulator,standoff, cataloged under National Stock Number 5970-01-145-4879, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Birnbach Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Insulator,standoff |
| FSC / FSG | 5970 — Electrical Insulators and Insulating Materials (FSG 59) |
| Manufacturers | Birnbach Co Inc (CAGE 71002) |
| Parameter | Value |
|---|---|
| NSN | 5970-01-145-4879 |
| Primary Part Number | 440C |
| Item Name | Insulator,standoff |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Birnbach Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 440C PRIMARY | Birnbach Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2610 | 5/9 Secondary reference U.S. Government activity |
| 2610 | 3/2 Design control — primary reference U.S. Government activity |
| 70A0160-4 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
| 67F4217 | C/1 Advisory reference — outside the item-of-supply concept Newark Corporation Dba Newark, an Avnet Company |
| 66A0067-20 | 5/9 Secondary reference Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
| 531509-4 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5970-01-145-4879 is a Insulator,standoff, manufactured by Birnbach Co Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-145-4879 has 1 manufacturer part number on file: 440C (Birnbach Co Inc).
Possible hazard — SDS may be required (DLA HMIC P). 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.