The Cover,end Plate,pump, cataloged under National Stock Number 4320-01-137-5376, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Tuthill Corporation Dba Tuthill Pump Group. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-137-5376 |
| Primary Part Number | 5RR35 |
| Item Name | Cover,end Plate,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Tuthill Corporation Dba Tuthill Pump Group |
| Status | ACTIVE |
| General Characteristics Item Description | CAST BRONZE,SAE 40,7-1/2 IN. OD,4-1/2 IN. H,12 MOUNTING HOLES,0.391 IN. DIA,6.625 IN. DIA BOLT CIRCLE IN |
| 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 |
|---|---|
| 3289521 PIECE 35 | Naval Sea Systems Command (USA) |
| 5RR35 PRIMARY | Tuthill Corporation Dba Tuthill Pump Group (USA) |
| Reference | Meaning |
|---|---|
| 3289521 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4320-01-137-5376 is a Cover,end Plate,pump, manufactured by Tuthill Corporation Dba Tuthill Pump Group, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-137-5376 has 2 manufacturer part numbers on file: 3289521 PIECE 35 (Naval Sea Systems Command), 5RR35 (Tuthill Corporation Dba Tuthill Pump Group).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-138-2007. Verify interchangeability with system specifications before substitution.
Key specifications for 5RR35: General Characteristics Item Description: CAST BRONZE,SAE 40,7-1/2 IN. OD,4-1/2 IN. H,12 MOUNTING HOLES,0.391 IN. DIA,6.625 IN. DIA BOLT CIRCLE IN; End Item Identification: PUMP SPECIAL MODEL NO. 6RCC-X592. 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.