The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-756-7523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-756-7523 |
| Primary Part Number | DA102CPC10 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Style Designator | FLAT |
| Material Thickness | 0.006 INCHES NOMINAL IN |
| Center Hole Diameter | 0.503 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 147 ITEM 10-13 | Wellman Group (GBR) |
| 147 ITEM 10 TO 13 | Wellman Group (GBR) |
| 147 ITEM 10,11,12 AND 13 | Wellman Group (GBR) |
| X5008/12/147 ITEM 10 | Wellman Group (GBR) |
| X5008/12/147/10-13 | Wellman Group (GBR) |
| X5008/12/147 ITEM 10-13 | Wellman Group (GBR) |
| 147/10 | Wellman Group (GBR) |
| 147 ITEM 10 | Wellman Group (GBR) |
| DA102CPC10 PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| X5008/12/147/10 | Wellman Group (GBR) |
| 147/10-13 | Wellman Group (GBR) |
| 7809-108 PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| Reference | Meaning |
|---|---|
| H7809 | 5/9 Secondary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4820-00-756-7523 is a Diaphragm,valve,flat, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-756-7523 has 12 manufacturer part numbers on file: 147 ITEM 10-13 (Wellman Group), 147 ITEM 10 TO 13 (Wellman Group), 147 ITEM 10,11,12 AND 13 (Wellman Group), X5008/12/147 ITEM 10 (Wellman Group), X5008/12/147/10-13 (Wellman Group) and 7 more.
4 possible matches (shared part number, not a government interchangeability claim): 9540-00-805-6436, 5330-01-069-2753, 5950-01-396-1888. Verify interchangeability with system specifications before substitution.
Key specifications for DA102CPC10: Outside Diameter: 4.000 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.006 INCHES NOMINAL IN; Special Features: W/CENTER SEAT AND GUIDE. 5 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.