The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-733-1040, 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 7 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 | 5330-01-733-1040 |
| Primary Part Number | AS5781P09-011 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Material Document and Classification | AMS53678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SINGLE TURN SPIRAL |
| Specification/standard Data | 0U583-SAE AS5781 NATIONAL STD/SPEC |
| Peripheral Diameter | 0.420 INCHES NOMINAL IN |
| Center Hole Diameter | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM 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 |
|---|---|
| AS5781P09-011 PRIMARY | Sae International Dba Sae International (USA) |
NSN 5330-01-733-1040 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 5330-01-733-1040 has 1 manufacturer part number on file: AS5781P09-011 (Sae International Dba Sae International).
Key specifications for AS5781P09-011: Cross-Sectional Height: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Material Document and Classification: AMS53678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: SINGLE TURN SPIRAL; Specification/standard Data: 0U583-SAE AS5781 NATIONAL STD/SPEC. 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.