The Insulator,bushing, cataloged under National Stock Number 5970-00-449-5306, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-449-5306 |
| Primary Part Number | 11608303-2 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-M-20693, COMP A, TYPE 3, GRADE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.433 INCHES NOMINAL IN |
| Inside Diameter | 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| End Configuration | BOTH ENDS SQUARED |
| 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 |
|---|---|
| 11608303-2 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 11608303 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5970-00-449-5306 is a Insulator,bushing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-449-5306 has 1 manufacturer part number on file: 11608303-2 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-010-0550. Verify interchangeability with system specifications before substitution.
Key specifications for 11608303-2: Overall Height: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-M-20693, COMP A, TYPE 3, GRADE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.433 INCHES NOMINAL IN. 6 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.