The Ring,retaining, cataloged under National Stock Number 5325-00-608-5977, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-608-5977 |
| Primary Part Number | 136328 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | AMS 7322 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.680 INCHES NOMINAL IN |
| Major Thickness | 0.070 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Inside Diameter | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | COPPER ALLOY 913 |
| 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 |
|---|---|
| 136328 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5325-00-608-5977 is a Ring,retaining, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-608-5977 has 1 manufacturer part number on file: 136328 (Curtiss-Wright Controls, Inc. Div Actuation Division).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-553-6335. Verify interchangeability with system specifications before substitution.
Key specifications for 136328: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: AMS 7322 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.