The Packing Nut, cataloged under National Stock Number 4730-01-213-4753, 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 Scandia Manufacturing Co., Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-213-4753 |
| Primary Part Number | G52404 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Scandia Manufacturing Co., Inc. |
| Status | ACTIVE |
| Largest Inside Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | ROUND, EXTERNAL THREAD, INVERTED FLARE |
| Major Unthreaded Outside Diameter | 4.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| G52404 PRIMARY | Scandia Manufacturing Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| SSN671-515-2047294 PIECE 6 | 5/2 Secondary reference U.S. Government activity |
| 71553-79X6 | D/9 Drawing number reference only U.S. Government activity |
| 71553-79X6 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
| SSN671-515-2047294 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-213-4753 is a Packing Nut, manufactured by Scandia Manufacturing Co., Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-213-4753 has 1 manufacturer part number on file: G52404 (Scandia Manufacturing Co., Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-213-9603, 4820-01-214-7188. Verify interchangeability with system specifications before substitution.
Key specifications for G52404: Largest Inside Diameter: 2.000 INCHES NOMINAL IN; Style Designator: ROUND, EXTERNAL THREAD, INVERTED FLARE; Overall Length: 3.000 INCHES NOMINAL IN; Major Unthreaded Outside Diameter: 4.500 INCHES NOMINAL IN. 4 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.