The Elbow,pipe, cataloged under National Stock Number 4730-01-732-5324, 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 Merit Brass Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-732-5324 |
| Primary Part Number | M403-40 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Merit Brass Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.500 INCHES OVERALL IN |
| Nominal Overall Length | 4.14 INCHES IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Width | 3.39 INCHES OVERALL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT BOTH ENDS |
| Raised Face Nominal Height | 5.59 INCHES FIRST END IN |
| 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 |
|---|---|
| M403-40 PRIMARY | Merit Brass Co (USA) |
| Reference | Meaning |
|---|---|
| 1110700744 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 4730-01-732-5324 is a Elbow,pipe, manufactured by Merit Brass Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-732-5324 has 1 manufacturer part number on file: M403-40 (Merit Brass Co).
Key specifications for M403-40: Nominal Pipe Size Accommodated: 2.500 INCHES OVERALL IN; Nominal Overall Length: 4.14 INCHES IN; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Width: 3.39 INCHES OVERALL IN. 7 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.