The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-258-2009, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-258-2009 |
| Primary Part Number | 5204757 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Sealing Method | PACKING |
| Opening Inside Diameter | 0.312 INCHES NOMINAL IN |
| Body Outside Diameter | 2.125 INCHES NOMINAL IN |
| Body Height | 1.750 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Base Outside Diameter | 2.125 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 5204757 | Dana Off Highway Products, Llc (USA) |
| SPF1400 | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| SPF1400 | 3/9 Design control — primary reference Vme Americas Inc Sub of Vme Group N V |
| 5204757 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
NSN 5340-00-258-2009 is a Boot,dust and Moisture Seal, manufactured by Dana Off Highway Products, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-258-2009 has 2 manufacturer part numbers on file: 5204757 (Dana Off Highway Products, Llc), SPF1400 (Dana Off Highway Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6650-00-520-4757, 1285-01-255-1687. Verify interchangeability with system specifications before substitution.
Key specifications for 5204757: Overall Height: 2.000 INCHES NOMINAL IN; Sealing Method: PACKING; Opening Inside Diameter: 0.312 INCHES NOMINAL IN; Body Outside Diameter: 2.125 INCHES NOMINAL IN. 8 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.