The Ring,retaining, cataloged under National Stock Number 5325-00-298-6583, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-298-6583 |
| Primary Part Number | NAFB3799A |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Diameter | 0.120 INCHES NOMINAL IN |
| Material Document and Classification | N 47-C-4 CLASS C MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.240 INCHES NOMINAL IN |
| Inside Diameter | 3.000 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
|---|---|
| NAFB3799A PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| CAFB3799A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| NAFB3799A | 5/9 Secondary reference U.S. Government activity |
| CAFB3799A | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| CAFB3799A | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-00-298-6583 is a Ring,retaining, manufactured by Fairbanks Morse, Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-298-6583 has 1 manufacturer part number on file: NAFB3799A (Fairbanks Morse, Llc).
Key specifications for NAFB3799A: Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Material Diameter: 0.120 INCHES NOMINAL IN; Material Document and Classification: N 47-C-4 CLASS C MIL SPEC SINGLE MATERIAL RESPONSE. 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.