The Retainer,packing, cataloged under National Stock Number 5330-01-374-9841, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Isotta Fraschini Motori Spa. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-374-9841 |
| Primary Part Number | 79973F01 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Isotta Fraschini Motori Spa |
| Status | ACTIVE |
| Cross-Sectional Height | 4.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL OVERALL |
| Peripheral Diameter | 14.0 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 8.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 79973F01 | Isotta Fraschini Motori Spa (ITA) |
| Reference | Meaning |
|---|---|
| 79973F01 | 3/9 Design control — primary reference Grandi Motori Fincantieri /fggm/ Div |
| 79973F01 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-374-9841 is a Retainer,packing, manufactured by Isotta Fraschini Motori Spa, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-374-9841 has 1 manufacturer part number on file: 79973F01 (Isotta Fraschini Motori Spa).
Key specifications for 79973F01: Cross-Sectional Height: 4.0 MILLIMETERS NOMINAL MM; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL; Peripheral Diameter: 14.0 MILLIMETERS NOMINAL MM; Center Hole Diameter: 8.0 MILLIMETERS NOMINAL MM. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.