The Packing Nut, cataloged under National Stock Number 4730-01-076-6687, 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 Parker-Hannifin Corporation Div Hydraulic Accumulator Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-076-6687 |
| Primary Part Number | 309667 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Thread Direction | LEFT-HAND |
| Thread Size | 1/4-18 |
| Screw Thread Series Designator | NPT |
| Screw Thread Location | INTERNAL |
| Smallest Inside Diameter | 0.188 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 |
|---|---|
| 309667 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| 1002516-01 | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| A768-216 | 5/9 Secondary reference Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| 1002516-01 | 5/9 Secondary reference Raytheon Technical Services Company |
| 1002516 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 4730-01-076-6687 is a Packing Nut, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-076-6687 has 2 manufacturer part numbers on file: 309667 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 1002516-01 (Cae Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-556-3033. Verify interchangeability with system specifications before substitution.
Key specifications for 309667: Width Across Flats: 0.750 INCHES NOMINAL IN; Overall Length: 2.062 INCHES NOMINAL IN; Thread Direction: LEFT-HAND; Thread Size: 1/4-18. 6 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.