The Valve,check, cataloged under National Stock Number 4820-01-289-8277, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Partlow West Co Sub of Danaher Corp. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-289-8277 |
| Primary Part Number | GC00107 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Partlow West Co Sub of Danaher Corp |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Mounting Position | VERTICAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | OFFSET |
| Offset Distance | 1.000 INCHES IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| GC00107 PRIMARY | Partlow West Co Sub of Danaher Corp (USA) |
| Reference | Meaning |
|---|---|
| MODEL 10 | 5/9 Secondary reference Partlow West Co Sub of Danaher Corp |
| GC00107 100T650 | 5/9 Secondary reference Partlow West Co Sub of Danaher Corp |
| GC00107 100T650 | 5/9 Secondary reference Chausse Mfg Co Inc P O Box 782 Bloomfield Mi 48303-0782 |
| MODEL 10 | 5/9 Secondary reference Chausse Mfg Co Inc P O Box 782 Bloomfield Mi 48303-0782 |
| 550110 | 5/9 Secondary reference Chausse Mfg Co Inc P O Box 782 Bloomfield Mi 48303-0782 |
NSN 4820-01-289-8277 is a Valve,check, manufactured by Partlow West Co Sub of Danaher Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-289-8277 has 1 manufacturer part number on file: GC00107 (Partlow West Co Sub of Danaher Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4540-01-352-6086, 5360-01-408-9049. Verify interchangeability with system specifications before substitution.
Key specifications for GC00107: Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: OFFSET. 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.