The Packing Nut, cataloged under National Stock Number 4730-00-274-3350, 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 Ametek Inc Schutte and Koerting Div. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 41 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-274-3350 |
| Primary Part Number | A2039CPC16 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ametek Inc Schutte and Koerting Div |
| Status | ACTIVE |
| Length to Shoulder | 0.625 INCHES NOMINAL IN |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1.125-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 3B |
| Major Unthreaded Outside Diameter | 1.313 INCHES NOMINAL IN |
| Screw Thread Location | INTERNAL |
| Material | COPPER ALLOY 903 |
| Smallest Inside Diameter | 0.781 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 |
|---|---|
| A2039CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A2068CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A2015CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A1995CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A2059CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A2049CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A1973CPC17 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A2007CPC16 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| A2106CPC7 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| Reference | Meaning |
|---|---|
| BB57S46-044PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CL40S58-049PC17 | 3/2 Design control — primary reference U.S. Government activity |
| DD356S58-134ALT3PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CL55S46-71ALT1PC16 | 3/2 Design control — primary reference U.S. Government activity |
| BB57S46-039PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CL55S46-64ALT1PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CL40S46-093PC41 | 3/2 Design control — primary reference U.S. Government activity |
| CL55S48-449ALT2PC7 | 3/2 Design control — primary reference U.S. Government activity |
| BB57S38-9ALT2PC13 | 3/2 Design control — primary reference U.S. Government activity |
| BB57S58-016PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CV22S48-449ALT2PC7 | 3/2 Design control — primary reference U.S. Government activity |
| CV22S46-65ALT1PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CL55S46-65ALT1PC16 | 3/2 Design control — primary reference U.S. Government activity |
| DD356S46-011PC41 | 3/2 Design control — primary reference U.S. Government activity |
| CL55S58-61ALT5PC16 | 3/2 Design control — primary reference U.S. Government activity |
| BB57S46-043PC16 | 3/2 Design control — primary reference U.S. Government activity |
| EA55538-04ALT1PC13 | 3/2 Design control — primary reference U.S. Government activity |
| CL49S58-06PC17 | 3/2 Design control — primary reference U.S. Government activity |
| AD14S58-70ALT2PC16 | 3/2 Design control — primary reference U.S. Government activity |
| CV22S58-61ALT5PC16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-274-3350 is a Packing Nut, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-274-3350 has 9 manufacturer part numbers on file: A2039CPC16 (Ametek Inc Schutte and Koerting Div), A2068CPC16 (Ametek Inc Schutte and Koerting Div), A2015CPC16 (Ametek Inc Schutte and Koerting Div), A1995CPC16 (Ametek Inc Schutte and Koerting Div), A2059CPC16 (Ametek Inc Schutte and Koerting Div) and 4 more.
Key specifications for A2039CPC16: Length to Shoulder: 0.625 INCHES NOMINAL IN; Width Across Flats: 1.500 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL IN; Style Designator: HEXAGON, INTERNAL THREAD, SHOULDERED. 13 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.