The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-583-8553, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-583-8553 |
| Primary Part Number | G221750PC4 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Sealing Method | COMPRESSION |
| Opening Inside Diameter | 0.420 INCHES NOMINAL IN |
| Mounting Method | INTEGRAL THREADED NUT |
| Style Designator | CLOSED END |
| Mounting Device Quantity | 1 |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| G221750PC4 | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| G221750PC4 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 12Z7903-1050 | 5/9 Secondary reference U.S. Government activity |
| G221750PC4 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
NSN 5340-00-583-8553 is a Boot,dust and Moisture Seal, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-583-8553 has 1 manufacturer part number on file: G221750PC4 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for G221750PC4: Overall Height: 0.422 INCHES NOMINAL IN; Width Across Flats: 0.750 INCHES NOMINAL IN; Sealing Method: COMPRESSION; Opening Inside Diameter: 0.420 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.