The Reducer,pipe, cataloged under National Stock Number 4730-01-423-3597, 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 Lbc Aquisitions Llc Dba Lee Brass Div Lee Brass Foundry, Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-423-3597 |
| Primary Part Number | 5150-696 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lbc Aquisitions Llc Dba Lee Brass Div Lee Brass Foundry, Llc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 6.000 INCHES FIRST END IN |
| Connection Style | SOCKET BRAZING RING (PIPE) ALL ENDS |
| Nominal Overall Length | 5.750 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 5150-696 PRIMARY | Lbc Aquisitions Llc Dba Lee Brass Div Lee Brass Foundry, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5947501 PIECE 1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 5150-696 | 5/9 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
| 00699067563919 | 5/1 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
| 5947501 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
NSN 4730-01-423-3597 is a Reducer,pipe, manufactured by Lbc Aquisitions Llc Dba Lee Brass Div Lee Brass Foundry, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-423-3597 has 1 manufacturer part number on file: 5150-696 (Lbc Aquisitions Llc Dba Lee Brass Div Lee Brass Foundry, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-423-3598, 4730-01-449-6255. Verify interchangeability with system specifications before substitution.
Key specifications for 5150-696: Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 6.000 INCHES FIRST END IN; Connection Style: SOCKET BRAZING RING (PIPE) ALL ENDS; Nominal Overall Length: 5.750 INCHES IN. 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.