The Elbow,pipe to Boss, cataloged under National Stock Number 4730-01-439-9012, 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 Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-439-9012 |
| Primary Part Number | 39477021 |
| Item Name | Elbow,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| 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 |
|---|---|
| APDD 334D-93 PG49-39 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| 39477021 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 4730-01-439-9012 is a Elbow,pipe to Boss, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-439-9012 has 2 manufacturer part numbers on file: APDD 334D-93 PG49-39 (Ingersoll-Rand Company Dba Ingersoll-Rand), 39477021 (Ingersoll-Rand Company Dba Ingersoll-Rand).
Key specifications for 39477021: Flow Angle: 45.0 DEGREES; Connection Type: THREADED INTERNAL BOSS SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END; End Item Identification: STRATEGIC SEAQLIFT CONVERSION SHIPS CLASS. 3 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.