The Mechanical Seal, cataloged under National Stock Number 4320-00-140-4454, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Emerson Electric Co Computer Power Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-140-4454 |
| Primary Part Number | UW1875 |
| Item Name | Mechanical Seal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Emerson Electric Co Computer Power Div |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| 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 |
|---|---|
| UW1875 | Emerson Electric Co Computer Power Div (USA) |
| L828909 | Emerson Electric Co Computer Power Div (USA) |
| Reference | Meaning |
|---|---|
| J-271-5 N0TE1 | 5/9 Secondary reference U.S. Government activity |
| 1A7938 | 5/9 Secondary reference U.S. Government activity |
| UW1875 | 5/1 Secondary reference Borg-Warner Industrial Products Inc Mechanical Seal Div |
| 1A7938 | 3/9 Design control — primary reference Ingersoll-Dresser Pump Co |
| L828909 | 5/1 Secondary reference Borg-Warner Industrial Products Inc Mechanical Seal Div |
NSN 4320-00-140-4454 is a Mechanical Seal, manufactured by Emerson Electric Co Computer Power Div, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-140-4454 has 2 manufacturer part numbers on file: UW1875 (Emerson Electric Co Computer Power Div), L828909 (Emerson Electric Co Computer Power Div).
Key specifications for UW1875: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 1 specification is 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.