The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-958-9419, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-958-9419 |
| Primary Part Number | 277184R1 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| FSC Application Data | STEERING GEAR ASSEMBLIES,VECHICULAR |
| Opening Inside Diameter | 0.250 INCHES NOMINAL IN |
| Body Outside Diameter | 1.312 INCHES NOMINAL IN |
| Body Height | 0.406 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Material | RUBBER SILICONE BODY |
| 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 |
|---|---|
| 277184R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 277184R1 | 5/9 Secondary reference U.S. Government activity |
| 277184R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 712888 | 5/9 Secondary reference U.S. Government activity |
| 277184R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 5340-00-958-9419 is a Boot,dust and Moisture Seal, manufactured by Komatsu America Corp., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-958-9419 has 1 manufacturer part number on file: 277184R1 (Komatsu America Corp.).
Key specifications for 277184R1: FSC Application Data: STEERING GEAR ASSEMBLIES,VECHICULAR; Opening Inside Diameter: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 1.312 INCHES NOMINAL IN; Body Height: 0.406 INCHES NOMINAL IN. 7 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.