The Union,pipe to Tube, cataloged under National Stock Number 4730-00-331-9916, 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 Pneumercator Company, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-331-9916 |
| Primary Part Number | 88P2 |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pneumercator Company, Inc. |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST END |
| Union Joint Location | FIRST END |
| Nominal Overall Length | 1.250 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES FIRST END IN |
| Nominal Thread Size | 0.188 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2B FIRST END |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| 88P2 PRIMARY | Pneumercator Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S8700H3105654PC55 | 5/9 Secondary reference Naval Sea Systems Command |
| 4113PC55 | 5/9 Secondary reference Pneumercator Company, Inc. |
| S8700H3105653PC55 | 5/9 Secondary reference U.S. Government activity |
| 4111PC55 | 5/9 Secondary reference Pneumercator Company, Inc. |
| H3105655PC55 | 5/9 Secondary reference U.S. Government activity |
| H3105655PC55 | 5/9 Secondary reference Naval Sea Systems Command |
| S8700H3105653PC55 | 5/9 Secondary reference Naval Sea Systems Command |
| S8700H3105654PC55 | 5/9 Secondary reference U.S. Government activity |
| 4112PC55 | 5/9 Secondary reference Pneumercator Company, Inc. |
NSN 4730-00-331-9916 is a Union,pipe to Tube, manufactured by Pneumercator Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-331-9916 has 1 manufacturer part number on file: 88P2 (Pneumercator Company, Inc.).
Key specifications for 88P2: Connection Style: SWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST END; Union Joint Location: FIRST END; Nominal Overall Length: 1.250 INCHES IN; Connection Type: THREADED INTERNAL TUBE FIRST END. 12 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.