The Ring,retaining, cataloged under National Stock Number 5325-01-345-1583, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-345-1583 |
| Primary Part Number | H71686-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| H71686-1 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| US71686 ITEM 1 | 5/9 Secondary reference Wartsila Lips Inc |
| US71686 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| US71686 ITEM 1 | 5/9 Secondary reference John Crane, Inc |
NSN 5325-01-345-1583 is a Ring,retaining, manufactured by John Crane, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-345-1583 has 1 manufacturer part number on file: H71686-1 (John Crane, Inc).
Key specifications for H71686-1: Casehardening Indicator: NOT CASEHARDENED; End Item Identification: STERN TUBE SEAL ASSY; Material: COPPER ALLOY. 2 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.