The Packing Nut, cataloged under National Stock Number 4730-00-202-9713, 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 Clayton Manufacturing Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-202-9713 |
| Primary Part Number | JL539 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Clayton Manufacturing Company |
| Status | ACTIVE |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.190 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Material Document and Classification | FED STD 66, COMP 4137 FED STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.875-14 |
| Screw Thread Series Designator | UNF |
| Thread Class | 2A A |
| Screw Thread Location | EXTERNAL |
| Material | STEEL COMP 4137 |
| Smallest Inside Diameter | 0.593 INCHES MINIMUM AND 0.598 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 |
|---|---|
| JL539 PRIMARY | Clayton Manufacturing Company (USA) |
NSN 4730-00-202-9713 is a Packing Nut, manufactured by Clayton Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-202-9713 has 1 manufacturer part number on file: JL539 (Clayton Manufacturing Company).
Key specifications for JL539: Width Across Flats: 0.875 INCHES NOMINAL IN; Thread Length: 0.190 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS; Material Document and Classification: FED STD 66, COMP 4137 FED STD SINGLE MATERIAL RESPONSE. 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.