The Valve,check, cataloged under National Stock Number 4820-01-549-5738, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Itw Food Equipment Group Llc Dba Gaylord Industries. Government technical data includes 3 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. 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 | 4820-01-549-5738 |
| Primary Part Number | 75745 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Itw Food Equipment Group Llc Dba Gaylord Industries |
| Status | ACTIVE |
| Valve Size | 0.750 INCHES IN |
| 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 |
|---|---|
| 75745 PRIMARY | Itw Food Equipment Group Llc Dba Gaylord Industries (USA) |
| 03-4239B PC. NO. 12 | Itw Food Equipment Group Llc Dba Gaylord Industries (USA) |
NSN 4820-01-549-5738 is a Valve,check, manufactured by Itw Food Equipment Group Llc Dba Gaylord Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-549-5738 has 2 manufacturer part numbers on file: 75745 (Itw Food Equipment Group Llc Dba Gaylord Industries), 03-4239B PC. NO. 12 (Itw Food Equipment Group Llc Dba Gaylord Industries).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-549-7126. Verify interchangeability with system specifications before substitution.
Key specifications for 75745: Valve Size: 0.750 INCHES IN; Special Features: BRASS BODY MATERIAL; Part Name Assigned by Controlling Agency: VACUUM BREAK CHECK VALVE 3/4"; End Item Identification: CONTROL CABINET; NEW CONSTRUCTION LHD 8. 3 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.