The Seal,plain Encased, cataloged under National Stock Number 5330-01-120-9110, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-120-9110 |
| Primary Part Number | 1549650 PIECE 25 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Temp Rating | 200.0 FAHRENHEIT DEGF |
| Seal Width | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 2.752 INCHES MINIMUM AND 2.756 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.812 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 181-275-16L | John Crane, Inc (USA) |
| 1549650 PIECE 25 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1549650 PIECE 25 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1549650-25 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-120-9110 is a Seal,plain Encased, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-120-9110 has 2 manufacturer part numbers on file: 181-275-16L (John Crane, Inc), 1549650 PIECE 25 (Naval Sea Systems Command).
Key specifications for 1549650 PIECE 25: Temp Rating: 200.0 FAHRENHEIT DEGF; Seal Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 2.752 INCHES MINIMUM AND 2.756 INCHES MAXIMUM IN. 9 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.