The Seal,plain Encased, cataloged under National Stock Number 5330-00-913-6553, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-913-6553 |
| Primary Part Number | 511200 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | GEAR BOX,JET ENGINE,AIR CRAFT |
| Temp Rating | 500.0 FAHRENHEIT DEGF |
| Seal Width | 0.376 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Material Document and Classification | AMS 7278 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 0.969 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | RUBBER 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 |
|---|---|
| 511200 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5330-00-913-6553 is a Seal,plain Encased, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-913-6553 has 1 manufacturer part number on file: 511200 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-263-9131, 5930-01-503-3632. Verify interchangeability with system specifications before substitution.
Key specifications for 511200: FSC Application Data: GEAR BOX,JET ENGINE,AIR CRAFT; Temp Rating: 500.0 FAHRENHEIT DEGF; Seal Width: 0.376 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR. 11 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.