The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-00-375-4923, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-375-4923 |
| Primary Part Number | BS4-1862PC11 |
| Item Name | Deflector,dirt and Liquid |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Style Designator | ROUND, FLANGED |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Material Thickness | 0.099 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Body Length | 0.438 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN |
| Inside Diameter | 1.240 INCHES NOMINAL IN |
| Thread Class | 3B |
| Material | COPPER ALLOY |
| Thread Size and Series/type Designator | 0.190-24 UNIFIED NATIONAL COARSE (UNC) |
| Mounting Hole Type | THREADED |
| 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 |
|---|---|
| BS4-1862PC11 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1690-9 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1452PC32 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1369PC37 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1529PC6 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Z33 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1805PC6 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1512PC6 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1864PC6 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1526PC6 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1690PC9 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1367PC32 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1595PC11 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1525PC6 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 212-58-01PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 5800-322367PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 5000-5800-470013ALT1PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 212-59-2PC32 | 3/2 Design control — primary reference U.S. Government activity |
| 435-3803-839038PC11 | 3/2 Design control — primary reference U.S. Government activity |
| 228-59-04PC32 | 3/2 Design control — primary reference U.S. Government activity |
| 5000-5800-470014PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 5800-322018PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 313-59-41PC11 | 3/2 Design control — primary reference U.S. Government activity |
| 435-5901-839117PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 1SM01890PC6 | 3/2 Design control — primary reference U.S. Government activity |
| 228-59-02PC37 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-00-375-4923 is a Deflector,dirt and Liquid, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-375-4923 has 14 manufacturer part numbers on file: BS4-1862PC11 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1690-9 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1452PC32 (Circor Naval Solutions Llc Dba Warren Pumps), BS1369PC37 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1529PC6 (Circor Naval Solutions Llc Dba Warren Pumps) and 9 more.
3 possible matches (shared part number, not a government interchangeability claim): 5961-00-420-9301, 5325-00-820-6748, 4020-01-532-3836. Verify interchangeability with system specifications before substitution.
Key specifications for BS4-1862PC11: Mounting Hole Quantity: 1; Style Designator: ROUND, FLANGED; Outside Diameter: 2.750 INCHES NOMINAL IN; Material Thickness: 0.099 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN. 11 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.