The Insulator,standoff, cataloged under National Stock Number 5970-00-578-2181, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-578-2181 |
| Item Name | Insulator,standoff |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Screw Thread Diameter and Location | 0.138 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.138 MOUNTING FACILITY INCHES NOMINAL |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Identification Code Color | WHITE |
| Screw Thread Quantity Per Inch and Location | 32 ELECTRICAL TERMINATION AND 32 MOUNTING FACILITY |
| Style Designator | PILLAR |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Class and Location | 2B ELECTRICAL TERMINATION AND 2B MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1054627 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| NS3W0106 | 2/2 Government specification standardization U.S. Government activity |
| JANI8 | 4/1 Identification reference U.S. Government activity |
NSN 5970-00-578-2181 is a Insulator,standoff, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5970-00-917-9101. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-00-578-2181: Screw Thread Diameter and Location: 0.138 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.138 MOUNTING FACILITY INCHES NOMINAL; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 0.750 INCHES NOMINAL IN; Identification Code Color: WHITE. 7 specifications are documented in the U.S. Government catalog.
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.