The Ring,retaining, cataloged under National Stock Number 5325-00-663-9003, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Carrier Corp. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-663-9003 |
| Primary Part Number | N9000-1ALT1PC584 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Major Thickness | 0.035 INCHES NOMINAL IN |
| Inside Diameter | 0.473 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL INVERTED LUGS |
| 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 |
|---|---|
| N9000-1ALT1PC584 | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 52120-5901-596701ALT2PC584 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 52120-5901-596701ALT4 DWG PC 584 | 3/2 Design control — primary reference U.S. Government activity |
| 52129-5901-998641ALT1PC584 | 3/2 Design control — primary reference U.S. Government activity |
| N11951ALT1PC584 | 5/9 Secondary reference Carrier Corp |
| AU47AA003 | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
NSN 5325-00-663-9003 is a Ring,retaining, manufactured by Carrier Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-663-9003 has 1 manufacturer part number on file: N9000-1ALT1PC584 (Carrier Corp).
Key specifications for N9000-1ALT1PC584: Usage Design: INTERNAL; Strength Rating: ERR-060; Cross-Sectional Shape Style: ROUNDED CORNERS; Major Thickness: 0.035 INCHES NOMINAL 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.