The Ring,retaining, cataloged under National Stock Number 5325-00-435-9632, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-435-9632 |
| Primary Part Number | 4033407 |
| 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 5519 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5688 ASSN STD 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 2.201 INCHES MINIMUM AND 2.226 INCHES MAXIMUM IN |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Inside Diameter | 1.857 INCHES MINIMUM AND 1.902 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Material | STEEL COMP 301 OR STEEL COMP 302 |
| 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 |
|---|---|
| 4033407 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4033407 PRIMARY | Smalley Steel Ring Co. (USA) |
| Reference | Meaning |
|---|---|
| 4033407 | 5/9 Secondary reference Adams Industries Inc a Sub of Banner Industries Inc |
| 4033407 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| PRA220S | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-435-9632 is a Ring,retaining, manufactured by Smalley Steel Ring Co., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-435-9632 has 2 manufacturer part numbers on file: 4033407 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4033407 (Smalley Steel Ring Co.).
Key specifications for 4033407: Usage Design: INTERNAL; Material Document and Classification: AMS 5519 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5688 ASSN STD 2ND MATERIAL RESPONSE; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 2.201 INCHES MINIMUM AND 2.226 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.