The Packing Nut, cataloged under National Stock Number 4730-00-609-9804, 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 Eaton Corporation Dba Jackson Plant. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-609-9804 |
| Primary Part Number | S-81-225 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Corporation Dba Jackson Plant |
| Status | ACTIVE |
| Hole or Slot Quantity | 1 |
| Thread Length | 0.437 INCHES NOMINAL IN |
| Style Designator | ROUND SLOTTED, EXTERNAL THREAD, BOSS |
| Thread Pitch Diameters | +3.1912 TO 3.1959 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 3.250-12 |
| Screw Thread Series Designator | UN |
| Thread Class | 3A A |
| Major Unthreaded Outside Diameter | 3.130 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY 932 |
| Slot Width | 0.250 INCHES NOMINAL IN |
| Smallest Inside Diameter | 2.252 INCHES MINIMUM AND 2.254 INCHES MAXIMUM 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 |
|---|---|
| S-81-225 PRIMARY | Eaton Corporation Dba Jackson Plant (USA) |
| Reference | Meaning |
|---|---|
| 86801PC3 | 5/9 Secondary reference Eaton Corporation Dba Jackson Plant |
NSN 4730-00-609-9804 is a Packing Nut, manufactured by Eaton Corporation Dba Jackson Plant, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-609-9804 has 1 manufacturer part number on file: S-81-225 (Eaton Corporation Dba Jackson Plant).
Key specifications for S-81-225: Hole or Slot Quantity: 1; Thread Length: 0.437 INCHES NOMINAL IN; Style Designator: ROUND SLOTTED, EXTERNAL THREAD, BOSS; Thread Pitch Diameters: +3.1912 TO 3.1959 INCHES IN. 14 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.