The Pump, cataloged under National Stock Number 4920-01-655-4812, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Sieh Inc Dba United Plumbing. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Pump |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Sieh Inc Dba United Plumbing (CAGE 06858) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-655-4812 |
| Primary Part Number | PGP511A0280CK1H2VD6D5B1 |
| Item Name | Pump |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Sieh Inc Dba United Plumbing |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| PGP511A0280CK1H2VD6D5B1 PRIMARY | Sieh Inc Dba United Plumbing (USA) |
| Reference | Meaning |
|---|---|
| 9PGP511A0280CK1H2VD6D5B1 | 3/9 Design control — primary reference Sieh Inc Dba United Plumbing |
NSN 4920-01-655-4812 is a Pump, manufactured by Sieh Inc Dba United Plumbing, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-655-4812 has 1 manufacturer part number on file: PGP511A0280CK1H2VD6D5B1 (Sieh Inc Dba United Plumbing).
2 possible matches (shared part number, not a government interchangeability claim): 4920-01-656-7548, 4320-01-693-6716. Verify interchangeability with system specifications before substitution.
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.