The Valve,check, cataloged under National Stock Number 4820-01-481-4287, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Guild Associates Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-481-4287 |
| Primary Part Number | 863-210904 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Guild Associates Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| UVMBRVT1.50SS | International Valve Corp Dba Check-All Valve Mfg. Co. (USA) |
| 863-210904 PRIMARY | Guild Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| UIV-300-B-V-1 1/2 | 5/9 Secondary reference International Valve Corp Dba Check-All Valve Mfg. Co. |
NSN 4820-01-481-4287 is a Valve,check, manufactured by Guild Associates Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-481-4287 has 2 manufacturer part numbers on file: UVMBRVT1.50SS (International Valve Corp Dba Check-All Valve Mfg. Co.), 863-210904 (Guild Associates Inc).
Key specifications for 863-210904: Special Features: UNION INSERT VALVE IS THE THREADED PIPE COUNTERPART OF THE FLANGE INSERT VALVE. DESIGNED TO BE INSERTED INTO MOST STANDARD GROUND JOINT UNIONS.THE VALVE WORKS EQUALLY WELL IN A HORIZONTAL OR VERTICAL POSITION. IS FURNISHED WITH A METAL TAG WHICH IS A PERMANENT RECORD THAT THE UNION CONTAINS A CHECK VALVE. AVAILABLE IN THE FOLLOWING MATERIALS: CARBON STEEL, BRASS, AND 316 STAINLESS STEEL. SIZES ARE: .5000 TO 4.000; End Item Identification: CONTRACTOR LOGISTIC SUPPORT MODEL M871, 30-FOOT TRAILER,LAUNDRY A DVANCED SYSTEM (LADDS), NSN: 2330-00-122-6779 CONTRACT DAAK60-97-C-9222 TM 9-3510-122-24P.. 0 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.