The Seal,plain Encased, cataloged under National Stock Number 5330-01-344-5952, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-344-5952 |
| Primary Part Number | AS-1226 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Seal Width | 0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Housing Bore Diameter | 1.7810 INCHES MINIMUM AND 1.7815 INCHES MAXIMUM IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM 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 |
|---|---|
| AS-1226 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5905256 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5330-01-344-5952 is a Seal,plain Encased, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-344-5952 has 1 manufacturer part number on file: AS-1226 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for AS-1226: Seal Width: 0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Housing Bore Diameter: 1.7810 INCHES MINIMUM AND 1.7815 INCHES MAXIMUM IN; Case Style: SQUARE; Accommodated Shaft Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN. 4 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.