The Union,pipe, cataloged under National Stock Number 4730-01-415-1378, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-415-1378 |
| Primary Part Number | 5301-200 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flagg Stanley G & Co Inc Dba Flagg Brass |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS |
| Nominal Overall Length | 2.437 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | SCREWED |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Seat Type | GROUND-JOINT |
| Maximum Operating Temp | 425.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 94-7311 PC-9 | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| 5301-200 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| Reference | Meaning |
|---|---|
| 94-7311 | D/9 Drawing number reference only The Electric Heater Co Dba Hubbell Electric Heater Co. |
| 5301-200 | C/1 Advisory reference — outside the item-of-supply concept The Electric Heater Co Dba Hubbell Electric Heater Co. |
| 00699067593312 | 5/1 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
| 733-4-1 | 5/9 Secondary reference Nibco Inc |
NSN 4730-01-415-1378 is a Union,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-415-1378 has 2 manufacturer part numbers on file: 94-7311 PC-9 (The Electric Heater Co Dba Hubbell Electric Heater Co.), 5301-200 (Flagg Stanley G & Co Inc Dba Flagg Brass).
5 possible matches (shared part number, not a government interchangeability claim): 4410-01-415-7347, 4410-01-415-7929, 4410-01-415-9859. Verify interchangeability with system specifications before substitution.
Key specifications for 5301-200: Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN; Connection Style: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS; Nominal Overall Length: 2.437 INCHES IN; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 13 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.