The Seal,plain Encased, cataloged under National Stock Number 5330-00-486-4118, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Boeing Distribution Services X, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-486-4118 |
| Primary Part Number | 366550-4 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Boeing Distribution Services X, Inc. |
| Status | ACTIVE |
| Temp Rating | 550.0 FAHRENHEIT DEGF |
| Seal Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL-ANGULAR |
| Housing Bore Diameter | 2.249 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4016 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 1.646 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 5052 CASE |
| Material | PLASTIC ACRYLIC AND GRAPHITE SEALING ELEMENT A |
| Material | PLASTIC ACRYLIC AND GRAPHITE SEALING ELEMENT B |
| 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 |
|---|---|
| 366550-4 | Boeing Distribution Services X, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 366550-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-486-4118 is a Seal,plain Encased, manufactured by Boeing Distribution Services X, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-486-4118 has 1 manufacturer part number on file: 366550-4 (Boeing Distribution Services X, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-562-3008. Verify interchangeability with system specifications before substitution.
Key specifications for 366550-4: Temp Rating: 550.0 FAHRENHEIT DEGF; Seal Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL-ANGULAR; Housing Bore Diameter: 2.249 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN. 10 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.