The Insulator,bushing, cataloged under National Stock Number 5970-00-043-3757, 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 Kelly Manufacturing Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-043-3757 |
| Primary Part Number | A2112 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Shank Height | 0.074 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-P-19468, GROUP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.220 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.150 INCHES NOMINAL IN |
| Inside Diameter | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| 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 |
|---|---|
| A2112 PRIMARY | Kelly Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| A2112 | 5/9 Secondary reference Allen R C Instruments Inc |
| A2112D | D/9 Drawing number reference only Allen R C Instruments Inc |
| A2112 | 5/9 Secondary reference Allen R C Co Inc Cash Register Div |
NSN 5970-00-043-3757 is a Insulator,bushing, manufactured by Kelly Manufacturing Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-043-3757 has 1 manufacturer part number on file: A2112 (Kelly Manufacturing Company).
3 possible matches (shared part number, not a government interchangeability claim): 5945-00-984-9835, 5130-01-112-0611, 3120-01-444-6397. Verify interchangeability with system specifications before substitution.
Key specifications for A2112: Overall Height: 0.120 INCHES NOMINAL IN; Shank Height: 0.074 INCHES NOMINAL IN; Style Designator: SHOULDER; Material Document and Classification: MIL-P-19468, GROUP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.