The Ring,retaining, cataloged under National Stock Number 5325-00-520-2674, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 9 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 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 | 5325-00-520-2674 |
| Primary Part Number | 177297 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 1.940 INCHES MINIMUM AND 1.958 INCHES MAXIMUM IN |
| Major Thickness | 0.090 INCHES NOMINAL IN |
| Inside Diameter | 1.760 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | WIRE |
| 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 |
|---|---|
| 177297 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 5325-00-520-2674 is a Ring,retaining, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-520-2674 has 1 manufacturer part number on file: 177297 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-021-6305, 2910-01-126-7864, 5985-01-436-5729. Verify interchangeability with system specifications before substitution.
Key specifications for 177297: Usage Design: EXTERNAL; Material Document and Classification: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 1.940 INCHES MINIMUM AND 1.958 INCHES MAXIMUM IN. 9 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.