The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-514-8681, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-514-8681 |
| Primary Part Number | 8-038V709-90 |
| 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 |
| Cross-Sectional Height | 0.049 INCHES NOMINAL IN |
| Hardness Rating | 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | MIL-R-83248 TY II MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SOLID |
| Peripheral Diameter | 2.746 INCHES MINIMUM AND 2.752 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 93375-11 | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| 8-038V709-90 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 8-038V709-90 | 5/9 Secondary reference Eaton Corp Dba Eaton Aerospace Jackson |
NSN 5330-01-514-8681 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 5330-01-514-8681 has 2 manufacturer part numbers on file: 93375-11 (Eaton Corp Dba Eaton Aerospace Jackson), 8-038V709-90 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 8-038V709-90: Cross-Sectional Height: 0.049 INCHES NOMINAL IN; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: MIL-R-83248 TY II MIL SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: SOLID. 7 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.