The Seal,plain Encased, cataloged under National Stock Number 5330-01-048-0564, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-048-0564 |
| Primary Part Number | 305A-0258-X12005 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Temp Rating | -423.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Seal Width | 0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 6.106 INCHES MINIMUM AND 6.136 INCHES MAXIMUM IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 5.974 INCHES MINIMUM AND 6.004 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE CASE |
| 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 |
|---|---|
| 305A-0258-X12005 | Bal Seal Engineering, Inc. (USA) |
| S104-258-48S | Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc (USA) |
| ELA-005974-03-01-4 | Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division (USA) |
| 11727871-3 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| AR10400-258AC | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| AR10104-258A1H | 3/9 Design control — primary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 5330-01-048-0564 is a Seal,plain Encased, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-048-0564 has 5 manufacturer part numbers on file: 305A-0258-X12005 (Bal Seal Engineering, Inc.), S104-258-48S (Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc), ELA-005974-03-01-4 (Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division), 11727871-3 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), AR10400-258AC (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
Key specifications for 305A-0258-X12005: Temp Rating: -423.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Seal Width: 0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 6.106 INCHES MINIMUM AND 6.136 INCHES MAXIMUM IN. 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.