The Seal,plain Encased, cataloged under National Stock Number 5330-01-322-1611, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-322-1611 |
| Primary Part Number | 137-206-12L |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Seal Width | 0.3594 INCHES MINIMUM AND 0.3906 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE CASE |
| Sealing Element Style | VERTICAL |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM CASE |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.375 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE CASE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL CORROSION RESISTING SPRING |
| 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 |
|---|---|
| 137-206-12L PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5330PL1274710 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2097666-44 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5330-01-322-1611 is a Seal,plain Encased, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-322-1611 has 1 manufacturer part number on file: 137-206-12L (John Crane, Inc).
Key specifications for 137-206-12L: Seal Width: 0.3594 INCHES MINIMUM AND 0.3906 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE CASE; Sealing Element Style: VERTICAL; Hardness Rating: 35.0 ROCKWELL C MINIMUM CASE. 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.