The Valve,ball, cataloged under National Stock Number 4820-01-290-4930, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Haws Co Inc Dba Western Emergency Equipment. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-290-4930 |
| Primary Part Number | SP265 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Haws Co Inc Dba Western Emergency Equipment |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 2600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| SP265 PRIMARY | Haws Co Inc Dba Western Emergency Equipment (USA) |
| Reference | Meaning |
|---|---|
| 31686 | 5/9 Secondary reference Western Emergency Equipment Co Div of Haws Drinking Faucet Co |
| WP2600 | 5/9 Secondary reference Western Emergency Equipment Co Div of Haws Drinking Faucet Co |
| B-P9341 ITEM 9 | 5/9 Secondary reference Western Emergency Equipment Co Div of Haws Drinking Faucet Co |
| WP2600-1 INCH | 3/9 Design control — primary reference Western Emergency Equipment Co Div of Haws Drinking Faucet Co |
| B-P9341 | D/9 Drawing number reference only Western Emergency Equipment Co Div of Haws Drinking Faucet Co |
NSN 4820-01-290-4930 is a Valve,ball, manufactured by Haws Co Inc Dba Western Emergency Equipment, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-290-4930 has 1 manufacturer part number on file: SP265 (Haws Co Inc Dba Western Emergency Equipment).
1 possible match (shared part number, not a government interchangeability claim): 5110-01-656-1444. Verify interchangeability with system specifications before substitution.
Key specifications for SP265: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 2600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 10 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.