The Packing Nut, cataloged under National Stock Number 4730-01-377-7487, 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 Ametek Inc Schutte and Koerting Div. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-377-7487 |
| Primary Part Number | 73S-0312-0010 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ametek Inc Schutte and Koerting Div |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Screw Thread Location | INTERNAL |
| Material | STEEL COMP 316 |
| Smallest Inside Diameter | 0.250 INCHES NOMINAL 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 |
|---|---|
| 73S-0312-0010 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| Reference | Meaning |
|---|---|
| 61S-0456M-001 | 5/9 Secondary reference Ametek Inc Schutte and Koerting Div |
| 70-G-016-M | D/9 Drawing number reference only Ametek Inc Schutte and Koerting Div |
| 70-G-016-MPC13 | 5/9 Secondary reference Ametek Inc Schutte and Koerting Div |
NSN 4730-01-377-7487 is a Packing Nut, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-377-7487 has 1 manufacturer part number on file: 73S-0312-0010 (Ametek Inc Schutte and Koerting Div).
Key specifications for 73S-0312-0010: Width Across Flats: 1.000 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, INVERTED FLARE; Overall Length: 0.500 INCHES NOMINAL IN. 8 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.