The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-596-8445, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-596-8445 |
| Primary Part Number | N1444-90 8-141 |
| 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 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.053 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CONTOURED FACE SOLID |
| Peripheral Diameter | 0.086 INCHES NOMINAL IN |
| Center Hole Diameter | 0.045 INCHES NOMINAL IN |
| 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 |
|---|---|
| N1444-90 8-141 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5330-01-596-8445 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 5330-01-596-8445 has 1 manufacturer part number on file: N1444-90 8-141 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for N1444-90 8-141: Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.053 INCHES NOMINAL IN; Cross-Sectional Shape Style: CONTOURED FACE SOLID; Peripheral Diameter: 0.086 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.