The Ring,retaining, cataloged under National Stock Number 5325-01-519-4499, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-519-4499 |
| Primary Part Number | 8576C01H02 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| 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 |
|---|---|
| 8576C01H02 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
NSN 5325-01-519-4499 is a Ring,retaining, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-519-4499 has 1 manufacturer part number on file: 8576C01H02 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
Key specifications for 8576C01H02: Usage Design: INTERNAL; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; Casehardening Indicator: NOT CASEHARDENED; Special Features: INSIDE DIAMETER OF RING IS 7.500 IN. (MINIMUM) AND 7.510 IN. (MAX); OUTSIDE DIA IS 7.990 IN. (MAX) AND 8.000 IN. (MIN); CROSS-SECTIONAL THICKNESS IS 0.590 IN (NOM) IN. 4 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.