The Seal,mechanical Les, cataloged under National Stock Number 4320-01-481-3417, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-481-3417 |
| Primary Part Number | 63542112 |
| Item Name | Seal,mechanical Les |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 63542112 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 63542112 | 3/9 Design control — primary reference U.S. Government activity |
| 63542112 | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
NSN 4320-01-481-3417 is a Seal,mechanical Les, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-481-3417 has 1 manufacturer part number on file: 63542112 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 63542112: Special Features: MECHANICAL SEAL LESS GLAND AND SLEEVE; End Item Identification: CENTRIFUGAL PUMP MODEL 1X9RA AND 1X9RAR FSCM 88032. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.