The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-191-8691, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hyspan Precision Products, Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-191-8691 |
| Primary Part Number | 30995REVB |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hyspan Precision Products, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 30995REVB PRIMARY | Hyspan Precision Products, Inc. (USA) |
| 30995REVB PRIMARY | Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA) |
| 20SFF5016LCM5 | Francis L Freas Glass Works Inc (USA) |
| Reference | Meaning |
|---|---|
| 34148REVB | C/1 Advisory reference — outside the item-of-supply concept Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc |
NSN 4730-01-191-8691 is a Expansion Joint,pipe, manufactured by Hyspan Precision Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-191-8691 has 3 manufacturer part numbers on file: 30995REVB (Hyspan Precision Products, Inc.), 30995REVB (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 20SFF5016LCM5 (Francis L Freas Glass Works Inc).
Key specifications for 30995REVB: End Item Identification: JSN WHIDBEY ISLAND CLASS LSD. 0 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.