The Seal,plain Encased, cataloged under National Stock Number 5330-00-073-2610, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navistar Inc. Dba Navistar Div Federal Government Sales Group. Government technical data includes 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-073-2610 |
| Primary Part Number | 678527C1 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navistar Inc. Dba Navistar Div Federal Government Sales Group |
| Status | ACTIVE |
| Seal Width | 0.750 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 6.125 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 5.125 INCHES NOMINAL IN |
| Material | STEEL CASE |
| 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 |
|---|---|
| 678527C1 PRIMARY | Navistar Inc. Dba Navistar Div Federal Government Sales Group (USA) |
| 678527C1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 609335C91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 678531C91 | 5/9 Secondary reference U.S. Government activity |
| 609335C91 | 5/9 Secondary reference U.S. Government activity |
| 678531C91 | 5/9 Secondary reference Komatsu American Intl Co |
| 609335C91 | 5/9 Secondary reference Komatsu American Intl Co |
| 678527C1 | 5/9 Secondary reference Komatsu American Intl Co |
| 678531C91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5330-00-073-2610 is a Seal,plain Encased, manufactured by Navistar Inc. Dba Navistar Div Federal Government Sales Group, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-073-2610 has 2 manufacturer part numbers on file: 678527C1 (Navistar Inc. Dba Navistar Div Federal Government Sales Group), 678527C1 (Komatsu America Corp.).
Key specifications for 678527C1: Seal Width: 0.750 INCHES NOMINAL IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 6.125 INCHES NOMINAL IN; Case Style: RECESSED. 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.