The Seal,plain Encased, cataloged under National Stock Number 5330-01-053-1938, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-053-1938 |
| Primary Part Number | 960445C1 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Seal Width | 0.312 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 1.438 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.062 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE CASE |
| Material | ALUMINUM ALLOY CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 960445C1 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 480210HGR | C/1 Advisory reference — outside the item-of-supply concept Federal-Mogul Corp Government Sales Dept |
| 905531C1 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 960445C1 | 5/9 Secondary reference Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| 906445C1 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 906445C1 | C/1 Advisory reference — outside the item-of-supply concept Solar Turbines Incorporated Dba Solar Turbines Incorporated |
NSN 5330-01-053-1938 is a Seal,plain Encased, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-053-1938 has 1 manufacturer part number on file: 960445C1 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-440-5616. Verify interchangeability with system specifications before substitution.
Key specifications for 960445C1: Seal Width: 0.312 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 1.438 INCHES NOMINAL IN; Case Style: SQUARE. 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.