The Packing Nut, cataloged under National Stock Number 4730-01-118-1752, 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 Kalmar AC Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-118-1752 |
| Primary Part Number | 4845840-0 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Hole or Slot Quantity | 6 |
| Style Designator | ROUND, INTERNAL THREAD, SHOULDERED |
| Smallest Outside Diameter | 5.627 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 5.625-12 |
| Screw Thread Series Designator | UN |
| Thread Class | 2A A |
| Major Unthreaded Outside Diameter | 6.125 INCHES NOMINAL IN |
| Material | IRON CAST |
| Smallest Inside Diameter | 5.003 INCHES NOMINAL IN |
| Hole Diameter | 0.375 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 |
|---|---|
| 4845840-0 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4845840 | D/9 Drawing number reference only Kalmar AC Inc |
NSN 4730-01-118-1752 is a Packing Nut, manufactured by Kalmar AC Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-118-1752 has 1 manufacturer part number on file: 4845840-0 (Kalmar AC Inc).
Key specifications for 4845840-0: Hole or Slot Quantity: 6; Style Designator: ROUND, INTERNAL THREAD, SHOULDERED; Overall Length: 3.560 INCHES NOMINAL IN; Smallest Outside Diameter: 5.627 INCHES NOMINAL IN. 12 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.