The Ring,retaining, cataloged under National Stock Number 5325-01-315-7215, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Asap Semiconductor, Llc Dba Asap Semiconductor. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-315-7215 |
| Primary Part Number | 016938 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Asap Semiconductor, Llc Dba Asap Semiconductor |
| Status | ACTIVE |
| Material Hardness Rating | 470.0 VICKERS MINIMUM AND 580.0 VICKERS MAXIMUM |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 1.75 MILLIMETERS NOMINAL MM |
| Inside Diameter | 35.60 MILLIMETERS MINIMUM AND 36.89 MILLIMETERS MAXIMUM MM |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Material | STEEL |
| 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 |
|---|---|
| 016938 | Asap Semiconductor, Llc Dba Asap Semiconductor (USA) |
| Reference | Meaning |
|---|---|
| 16938 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 16938 | 5/9 Secondary reference Ulstein Usa Inc |
| L696/27 ITEM 84 | 5/9 Secondary reference Ulstein Usa Inc |
| 016938 | 3/9 Design control — primary reference Rolls-Royce Marine North America Inc |
NSN 5325-01-315-7215 is a Ring,retaining, manufactured by Asap Semiconductor, Llc Dba Asap Semiconductor, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-315-7215 has 1 manufacturer part number on file: 016938 (Asap Semiconductor, Llc Dba Asap Semiconductor).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-593-4042, 6645-01-630-8891. Verify interchangeability with system specifications before substitution.
Key specifications for 016938: Material Hardness Rating: 470.0 VICKERS MINIMUM AND 580.0 VICKERS MAXIMUM; Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 1.75 MILLIMETERS NOMINAL MM. 8 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.