The Hose,preformed, cataloged under National Stock Number 4720-01-157-5137, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kalmar AC Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-157-5137 |
| Primary Part Number | 78631687-7 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Style Designator | SINGLE BEND |
| Wall Thickness | 0.195 INCHES NOMINAL IN |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 2.000 INCHES NOMINAL IN |
| Working Length | 9.500 INCHES NOMINAL IN |
| First Arm Length | 4.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 78631687-7 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 8620644 | 5/9 Secondary reference Kalmar AC Inc |
| 8622801-2 | 5/9 Secondary reference Kalmar AC Inc |
NSN 4720-01-157-5137 is a Hose,preformed, manufactured by Kalmar AC Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-157-5137 has 1 manufacturer part number on file: 78631687-7 (Kalmar AC Inc).
Key specifications for 78631687-7: Style Designator: SINGLE BEND; Wall Thickness: 0.195 INCHES NOMINAL IN; Inside Diameter: 2.000 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.