The Ring,mating, cataloged under National Stock Number 1355-00-593-7950, is classified within Federal Supply Class 1355 (Torpedos and Components, Inert) of the Ammunition and Explosives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1355-00-593-7950 |
| Primary Part Number | 858565 |
| Item Name | Ring,mating |
| FSC / FSG | 1355 / 13 — Torpedos and Components, Inert |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL COR. RES. AISI 440,ROCKWELL C&54 TO C&60,PASSIVATEPER O. D. 7690,1.406 IN. DIA BY 0.672 IN. LG WITH 1.005 IN. HOLETHRU C BORE 1.251 IN. DIA BY 0.422 IN. DEEP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A9727 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| 858565 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1355PL1317018 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1355-00-593-7950 is a Ring,mating, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1355, Torpedos and Components, Inert. Status: active.
NSN 1355-00-593-7950 has 2 manufacturer part numbers on file: A9727 (Eaton Corporation Dba Eaton Inoac Div Eaton), 858565 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 858565: General Characteristics Item Description: STEEL COR. RES. AISI 440,ROCKWELL C&54 TO C&60,PASSIVATEPER O. D. 7690,1.406 IN. DIA BY 0.672 IN. LG WITH 1.005 IN. HOLETHRU C BORE 1.251 IN. DIA BY 0.422 IN. DEEP IN. 1 specification is 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.
NSN 1355-00-593-7950 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.