The Ring,retaining, cataloged under National Stock Number 5325-01-237-4066, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-237-4066 |
| Primary Part Number | VH-450 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 4.658 INCHES MINIMUM AND 4.693 INCHES MAXIMUM IN |
| Major Thickness | 0.044 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| Inside Diameter | 4.208 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| 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 |
|---|---|
| VH-450 PRIMARY | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| VH-450 | 5/9 Secondary reference Fl Aerospace Corp Janitrol Aero Div/general Design |
NSN 5325-01-237-4066 is a Ring,retaining, manufactured by Grimes Aerospace Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-237-4066 has 1 manufacturer part number on file: VH-450 (Grimes Aerospace Company).
Key specifications for VH-450: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 4.658 INCHES MINIMUM AND 4.693 INCHES MAXIMUM IN; Major Thickness: 0.044 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN. 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.