The Insulator,bushing, cataloged under National Stock Number 5970-00-491-5202, 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 Us Army Aviation and Missile Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-491-5202 |
| Primary Part Number | 10189306-9 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Shank Height | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-M-20693, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Shank Outside Diameter | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Inside Diameter | 0.317 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE 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 |
|---|---|
| 11739084 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 10189306-9 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| PR-410-14 | 5/9 Secondary reference Schroff Inc |
| PR-410-14 | 5/9 Secondary reference Precise of California Div of Adjustable Bushing Corp |
| 364-31 | 5/9 Secondary reference U.S. Government activity |
NSN 5970-00-491-5202 is a Insulator,bushing, manufactured by Us Army Aviation and Missile Command, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-491-5202 has 2 manufacturer part numbers on file: 11739084 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 10189306-9 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 6015-01-606-3145, 5940-01-612-6633. Verify interchangeability with system specifications before substitution.
Key specifications for 10189306-9: Overall Height: 0.114 INCHES NOMINAL IN; Shank Height: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Style Designator: SHOULDER; Material Document and Classification: MIL-M-20693, TYPE 1 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.