The Seal,plain Encased, cataloged under National Stock Number 5330-01-073-4617, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-073-4617 |
| Primary Part Number | 11681756 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Seal Width | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| 11681756 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 031-0564-4 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 24B2181-5 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-073-4617 is a Seal,plain Encased, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-073-4617 has 2 manufacturer part numbers on file: 11681756 (U S Army Tank Automotive Command Amsta-Im-Mm), 031-0564-4 (John Crane, Inc).
Key specifications for 11681756: Seal Width: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Case Style: RECESSED; Accommodated Shaft Diameter: 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN. 5 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.