The Cap,tube, cataloged under National Stock Number 4730-01-306-3123, 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 General Electric Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-306-3123 |
| Primary Part Number | 987E112P28 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Connection Style | FLARE |
| Tube Outside Diameter for Which Designed | 1.500 INCHES NOMINAL IN |
| Style Designator | CAP |
| Features Provided | WIRE ROPE AND SCREW |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 1.875 INCHES INTERNAL IN |
| Seat Angle | 37.0 DEGREES |
| Thread Class | 2B INTERNAL |
| Thread Quantity Per Inch | 12 INTERNAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN INTERNAL |
| 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 |
|---|---|
| 987E112P28 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 987E112P28 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co |
NSN 4730-01-306-3123 is a Cap,tube, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-306-3123 has 1 manufacturer part number on file: 987E112P28 (General Electric Company).
Key specifications for 987E112P28: Connection Style: FLARE; Tube Outside Diameter for Which Designed: 1.500 INCHES NOMINAL IN; Style Designator: CAP; Features Provided: WIRE ROPE AND SCREW. 11 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.