The Union,pipe, cataloged under National Stock Number 4730-00-202-6579, 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 Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-202-6579 |
| Primary Part Number | 810-1385943PC2-3-7-8-9 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREINSERTED RING |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET BRAZING RING (PIPE) ALL ENDS |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 4.437 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | SCREWED |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Type | GASKET |
| Material | COPPER ALLOY TAILPIECE |
| Material | COPPER ALLOY THREAD PIECE |
| Material | NICKEL NUT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY PIPE SIZE |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 810-1385943PC2-3-7-8-9 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 810-1385943PC2-3-7-8-9 | 3/1 Design control — primary reference U.S. Government activity |
| 5000S4823-841337PC1-2-4-12-14 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-202-6579 is a Union,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-202-6579 has 1 manufacturer part number on file: 810-1385943PC2-3-7-8-9 (Naval Sea Systems Command).
Key specifications for 810-1385943PC2-3-7-8-9: Furnished Items and Quantity: 2 PREINSERTED RING; Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET BRAZING RING (PIPE) ALL ENDS; Coupling Flange Shape: HEXAGON. 14 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.