The Ring,retaining, cataloged under National Stock Number 5325-01-577-1800, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. 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 | 5325-01-577-1800 |
| Primary Part Number | 77802 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Ring Style | SPIRAL |
| 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 |
|---|---|
| 77802 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 5325-01-577-1800 is a Ring,retaining, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-577-1800 has 1 manufacturer part number on file: 77802 (Ingersoll-Rand Company Dba Ingersoll-Rand).
Key specifications for 77802: Outside Diameter: 0.750 INCHES NOMINAL IN; Inside Diameter: 0.500 INCHES NOMINAL IN; Ring Style: SPIRAL; End Item Identification: 1/2 " DIAPHRAGM PUMP. 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.