The Ring,wiper, cataloged under National Stock Number 5330-01-341-7582, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Atlas Copco. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-341-7582 |
| Primary Part Number | 57490831 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Atlas Copco |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 11.0000 INCHES NOMINAL IN |
| Material Thickness | 0.8800 INCHES NOMINAL IN |
| Inside Diameter | 4.3800 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 57490831 PRIMARY | Atlas Copco (USA) |
| Reference | Meaning |
|---|---|
| 58034992 | 5/9 Secondary reference Ingersoll-Rand Co Construction Equipment Group |
| 58034992 | 5/9 Secondary reference Atlas Copco |
| 855017P0476 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| 57490831 | 5/9 Secondary reference Ingersoll-Rand Co Construction Equipment Group |
NSN 5330-01-341-7582 is a Ring,wiper, manufactured by Atlas Copco, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-341-7582 has 1 manufacturer part number on file: 57490831 (Atlas Copco).
Key specifications for 57490831: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 11.0000 INCHES NOMINAL IN; Material Thickness: 0.8800 INCHES NOMINAL IN; Inside Diameter: 4.3800 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.