The Seal,plain Encased, cataloged under National Stock Number 5330-01-073-4223, 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 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-073-4223 |
| Primary Part Number | 12288074 |
| 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 | 0.578 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 5.000 INCHES NOMINAL IN |
| Material | STEEL COMP 304 CASE |
| Material | RUBBER CORE |
| 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 |
|---|---|
| 12288074 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 543176 | 3/2 Design control — primary reference U.S. Government activity |
| 12267745 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| DAX11451 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 528773 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-073-4223 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 5330-01-073-4223 has 1 manufacturer part number on file: 12288074 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-335-2072, 3040-01-644-7716. Verify interchangeability with system specifications before substitution.
Key specifications for 12288074: Seal Width: 0.578 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Case Style: RECESSED; Accommodated Shaft Diameter: 5.000 INCHES NOMINAL IN. 6 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.