The Packing Nut, cataloged under National Stock Number 4730-00-326-6072, 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 Ambac International Corporation Div Ambac International. Government technical data includes 11 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through both NSN and commercial part number lookups. 32 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-326-6072 |
| Primary Part Number | GJN77-108PC2 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| Width Across Flats | 14.000 MILLIMETERS NOMINAL MM |
| Thread Length | 5.900 MILLIMETERS MINIMUM AND 6.200 MILLIMETERS MAXIMUM MM |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Thread Pitch Diameters | +9.2490 TO 9.3500 MILLIMETERS MM |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 10 MM-1 MM |
| Screw Thread Series Designator | METRIC NONSTD |
| Screw Thread Location | EXTERNAL |
| Material | STEEL |
| Smallest Inside Diameter | 6.500 MILLIMETERS MINIMUM AND 6.600 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| GJN77-108PC2 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| Reference | Meaning |
|---|---|
| GJN77-33PC2 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| AMC61S41-587PC2 | 3/2 Design control — primary reference U.S. Government activity |
| 82217S4105-434533PC16 | 3/2 Design control — primary reference U.S. Government activity |
| JS13PC16 | 5/9 Secondary reference U.S. Government activity |
| Y044S41-086PC2 | 3/2 Design control — primary reference U.S. Government activity |
| YT215S4105-574927PC2 | 3/2 Design control — primary reference U.S. Government activity |
| GNBA13-1APC16 | 5/9 Secondary reference U.S. Government activity |
| GJN77-110PC2 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| GJN77-97PC16 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| NS1640PC2 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| GSBA13-1PC16 | 5/9 Secondary reference U.S. Government activity |
| 82218S41-132PC16 | 3/2 Design control — primary reference U.S. Government activity |
| GJN77-17PC2 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| GN13PC3 | 5/9 Secondary reference U.S. Government activity |
| GJN77-98PC16 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| NS1087PC2 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| GNA13-1APC16 | 5/9 Secondary reference U.S. Government activity |
| 83624S41-640PC2 | 3/2 Design control — primary reference U.S. Government activity |
| 82218S41-133PC16 | 3/2 Design control — primary reference U.S. Government activity |
| YT128S41-88PC2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-326-6072 is a Packing Nut, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-326-6072 has 1 manufacturer part number on file: GJN77-108PC2 (Ambac International Corporation Div Ambac International).
Key specifications for GJN77-108PC2: Width Across Flats: 14.000 MILLIMETERS NOMINAL MM; Thread Length: 5.900 MILLIMETERS MINIMUM AND 6.200 MILLIMETERS MAXIMUM MM; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS; Thread Pitch Diameters: +9.2490 TO 9.3500 MILLIMETERS MM. 11 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.