The Conduit,metal,flexible, cataloged under National Stock Number 5975-00-156-3318, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hyspan Precision Products, Inc.. Government technical data includes 8 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. 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 | 5975-00-156-3318 |
| Primary Part Number | EF2 1-2 |
| Item Name | Conduit,metal,flexible |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Hyspan Precision Products, Inc. |
| Status | ACTIVE |
| Minimum Inside Bending Radius | 19.000 INCHES IN |
| Style Designator | PLAIN CONVOLUTED CONDUIT |
| Outside Diameter | 2.850 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN |
| Inside Diameter | 2.480 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN |
| Trade Size | 2.500 |
| Material | STEEL BODY |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OUTER COVERING |
| Hazardous Locations/environmental Protection | WATERTIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5975-00-156-3318 is a Conduit,metal,flexible, manufactured by Hyspan Precision Products, Inc., classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-156-3318 has 2 manufacturer part numbers on file: EF2 1-2 (Hyspan Precision Products, Inc.), 87117 (Electrical Conductors Inc).
1 possible match (shared part number, not a government interchangeability claim): 8145-01-600-0694. Verify interchangeability with system specifications before substitution.
Key specifications for EF2 1-2: Minimum Inside Bending Radius: 19.000 INCHES IN; Style Designator: PLAIN CONVOLUTED CONDUIT; Outside Diameter: 2.850 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN; Inside Diameter: 2.480 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN. 8 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.