The Valve,check, cataloged under National Stock Number 4820-01-354-8941, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-354-8941 |
| Primary Part Number | 33289 FIND NO 1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 5.000 INCHES ALL ENDS IN |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Mounting Position | VERTICAL |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Disk Loading Method | WEIGHT |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 33289 FIND NO 1 PRIMARY | Tate Andale, Llc (USA) |
| 33299 | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 00320 33299 | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
| 33289 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4820-01-354-8941 is a Valve,check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-354-8941 has 2 manufacturer part numbers on file: 33289 FIND NO 1 (Tate Andale, Llc), 33299 (Tate Andale, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-355-0372, 4820-01-355-0601, 4820-01-355-0649. Verify interchangeability with system specifications before substitution.
Key specifications for 33289 FIND NO 1: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 5.000 INCHES ALL ENDS IN; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Mounting Position: VERTICAL. 9 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.