The Ring,retaining, cataloged under National Stock Number 5325-00-443-6898, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Smalley Steel Ring Co.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-443-6898 |
| Primary Part Number | PRD437CJ |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Smalley Steel Ring Co. |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | AMS 5120 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 4.369 INCHES MINIMUM AND 4.404 INCHES MAXIMUM IN |
| Major Thickness | 0.108 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN |
| Inside Diameter | 3.737 INCHES MINIMUM AND 3.796 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Surface Treatment | CADMIUM |
| Material | STEEL COMP 1074 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| PRD437CJ | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| PRD437CJ PRIMARY | Smalley Steel Ring Co. (USA) |
| Reference | Meaning |
|---|---|
| 4033409 | C/1 Advisory reference — outside the item-of-supply concept Adams Industries Inc a Sub of Banner Industries Inc |
| 5325PL0724221 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4033409 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4033409 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| PRD437CJ | 5/9 Secondary reference U.S. Government activity |
| 4033409 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-443-6898 is a Ring,retaining, manufactured by Smalley Steel Ring Co., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-443-6898 has 2 manufacturer part numbers on file: PRD437CJ (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), PRD437CJ (Smalley Steel Ring Co.).
Key specifications for PRD437CJ: Usage Design: INTERNAL; Material Document and Classification: AMS 5120 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 4.369 INCHES MINIMUM AND 4.404 INCHES MAXIMUM IN. 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.