The Reducer,pipe, cataloged under National Stock Number 4730-00-277-2840, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-2840 |
| Primary Part Number | 449-2044 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flagg Stanley G & Co Inc Dba Flagg Brass |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 2.562 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A126,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 2.000 INCHES SECOND END IN |
| Nominal Thread Size | 2.500 INCHES FIRST END IN |
| Departure From Cited Designator | AS MODIFIED BY ECCENTRIC TYPE |
| Specification/standard Data | 80204-B16.4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 125 CLASS |
| Material | IRON CAST OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Reducer Type | ECCENTRIC |
| 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 |
|---|---|
| 449-2044 | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| Reference | Meaning |
|---|---|
| WWP501 | 5/9 Secondary reference U.S. Government activity |
| ANSI B16.4-1977 | 3/1 Design control — primary reference U.S. Government activity |
| 368 2-1/2X2 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-277-2840 is a Reducer,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 4730-00-277-2840 has 1 manufacturer part number on file: 449-2044 (Flagg Stanley G & Co Inc Dba Flagg Brass).
Key specifications for 449-2044: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 2.562 INCHES IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM A126,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.