The Insulator,bowl, cataloged under National Stock Number 5970-01-112-1564, 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 Viking Technologies, Ltd.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-112-1564 |
| Primary Part Number | 135-53 |
| Item Name | Insulator,bowl |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Height Above Mounting Surface | 1.750 INCHES NOMINAL IN |
| Flange Thickness | 0.094 INCHES NOMINAL IN |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Base Inside Diameter | 1.250 INCHES NOMINAL IN |
| Bowl Diameter | 1.062 INCHES NOMINAL IN |
| Material | PORCELAIN OVERALL |
| Top Hole Diameter | 0.281 INCHES NOMINAL IN |
| 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 |
|---|---|
| 135-53 PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 135-53 | 5/9 Secondary reference Viking Technologies, Ltd. |
| 6300-0083-001 | 7/2 Vendor item drawing reference Antenna Products Corporation Dba Antenna Products Corp |
NSN 5970-01-112-1564 is a Insulator,bowl, manufactured by Viking Technologies, Ltd., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-112-1564 has 1 manufacturer part number on file: 135-53 (Viking Technologies, Ltd.).
3 possible matches (shared part number, not a government interchangeability claim): 5998-01-181-2074, 3990-01-461-0423, 5998-01-476-5742. Verify interchangeability with system specifications before substitution.
Key specifications for 135-53: Height Above Mounting Surface: 1.750 INCHES NOMINAL IN; Flange Thickness: 0.094 INCHES NOMINAL IN; Outside Diameter: 2.500 INCHES NOMINAL IN; Base Inside Diameter: 1.250 INCHES NOMINAL IN. 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.