The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-582-5498, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-582-5498 |
| Primary Part Number | 8-122 N0300-90 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | FSCM 02697 N0300-90 MFR REF SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CONTOURED FACE SOLID |
| Peripheral Diameter | 1.318 INCHES NOMINAL IN |
| Center Hole Diameter | 1.112 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 8-122 N0300 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| N0300-90 8-122 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 8-122 N0300-90 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| N300-90 8-122 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5330-01-582-5498 is a Back-Up Ring,preformed Packing, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-582-5498 has 4 manufacturer part numbers on file: 8-122 N0300 (Parker-Hannifin Corp Div O-Ring Division), N0300-90 8-122 (Parker-Hannifin Corp Div O-Ring Division), 8-122 N0300-90 (Parker-Hannifin Corp Div O-Ring Division), N300-90 8-122 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 8-122 N0300-90: Temp Rating: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: FSCM 02697 N0300-90 MFR REF SINGLE MATERIAL RESPONSE. 8 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.