The Ring,retaining, cataloged under National Stock Number 5325-01-359-3854, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is David Brown Gear Systems Limited. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-359-3854 |
| Primary Part Number | A15170-58 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | David Brown Gear Systems Limited |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 5.046 INCHES NOMINAL IN |
| Major Thickness | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Inside Diameter | 4.506 INCHES MINIMUM AND 4.546 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Material | STEEL COMP 301 |
| 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 |
|---|---|
| A15170-58 | David Brown Gear Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| A15170-58 | 5/9 Secondary reference Brown David/textron Power Transmissions |
| RS-472S | 3/2 Design control — primary reference U.S. Government activity |
| RS472S | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-01-359-3854 is a Ring,retaining, manufactured by David Brown Gear Systems Limited, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-359-3854 has 1 manufacturer part number on file: A15170-58 (David Brown Gear Systems Limited).
Key specifications for A15170-58: Usage Design: EXTERNAL; Strength Rating: ERR-060; Material Document and Classification: AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: DOUBLE OVAL. 10 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.