The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-623-5539, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Flexible Technologies Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-623-5539 |
| Primary Part Number | FT1404C |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| Opening Inside Diameter | 0.620 INCHES NOMINAL IN |
| Body Outside Diameter | 1.120 INCHES NOMINAL IN |
| Body Height | 5.250 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Base Outside Diameter | 1.520 INCHES NOMINAL IN |
| Surface Treatment | RUBBER CHLOROPRENE 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 |
|---|---|
| FT1404C | Flexible Technologies Inc (USA) |
| D3062 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| 3-3851 | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 0LB107 | 5/9 Secondary reference U.S. Government activity |
| FT1404C | 5/9 Secondary reference Automation Industries Inc Flexible Tubing Div |
| 750544-1 | 3/2 Design control — primary reference U.S. Government activity |
| 3-3851 | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
NSN 5340-00-623-5539 is a Boot,dust and Moisture Seal, manufactured by Flexible Technologies Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-623-5539 has 3 manufacturer part numbers on file: FT1404C (Flexible Technologies Inc), D3062 (Kirkhill, Inc. Dba Kirkhill Inc), 3-3851 (Arrowhead Products Corp).
4 possible matches (shared part number, not a government interchangeability claim): 2530-01-033-4413, 6550-01-208-0586, 5315-01-490-7534. Verify interchangeability with system specifications before substitution.
Key specifications for FT1404C: Overall Height: 6.000 INCHES NOMINAL IN; Opening Inside Diameter: 0.620 INCHES NOMINAL IN; Body Outside Diameter: 1.120 INCHES NOMINAL IN; Body Height: 5.250 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.