The Seal,plain Encased, cataloged under National Stock Number 5330-01-193-2999, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-193-2999 |
| Primary Part Number | 23004921 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Seal Width | 0.240 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Outside Diameter | 1.254 INCHES NOMINAL IN |
| Housing Bore Diameter | 1.250 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 0.623 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Surface Treatment | PLASTIC CASE |
| Material | STEEL SPRING |
| Material | STEEL CASE |
| Material | RUBBER FLUOROCARBON CLASS FPM 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 |
|---|---|
| 23004921 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6309 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-193-2999 is a Seal,plain Encased, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-193-2999 has 1 manufacturer part number on file: 23004921 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23004921: Seal Width: 0.240 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Outside Diameter: 1.254 INCHES NOMINAL IN; Housing Bore Diameter: 1.250 INCHES NOMINAL 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.