The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-708-2248, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-708-2248 |
| Primary Part Number | AS5781P09-433 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN |
| Material Document and Classification | AMS3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SINGLE TURN SPIRAL |
| Specification/standard Data | 0U583-AS5781 NATIONAL STD/SPEC |
| Peripheral Diameter | 5.977 INCHES MINIMUM AND 5.979 INCHES MAXIMUM IN |
| Center Hole Diameter | 5.505 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| AS5781P09-433 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 556-8544963-ITEM-22 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 2644-5601-ITEM-22 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5330-01-708-2248 is a Back-Up Ring,preformed Packing, manufactured by Sae International Dba Sae International, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-708-2248 has 1 manufacturer part number on file: AS5781P09-433 (Sae International Dba Sae International).
Key specifications for AS5781P09-433: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN; Material Document and Classification: AMS3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: SINGLE TURN SPIRAL. 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.