The Ring,retaining, cataloged under National Stock Number 5325-01-086-4206, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-086-4206 |
| Primary Part Number | 571663-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Material Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL OR INTERNAL |
| End Style | DIAGONAL PARALLEL |
| Material Document and Classification | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.680 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN |
| Major Thickness | 0.040 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Inside Diameter | 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | ANGULAR CAP |
| Material | STEEL COMP 631 |
| 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 |
|---|---|
| 571663-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5325-01-086-4206 is a Ring,retaining, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-086-4206 has 1 manufacturer part number on file: 571663-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 571663-1: Material Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL OR INTERNAL; End Style: DIAGONAL PARALLEL; Material Document and Classification: MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE. 11 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.