The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-562-9869, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a Co. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-562-9869 |
| Primary Part Number | 5954-49 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Style Designator | FLAT |
| Media for Which Designed | AIR |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| CAT IPB B38 IT7 / 5954-49 | Norgren C a Co (USA) |
| 5954-49 PRIMARY | Norgren C a Co (USA) |
NSN 4820-01-562-9869 is a Diaphragm,valve,flat, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-562-9869 has 2 manufacturer part numbers on file: CAT IPB B38 IT7 / 5954-49 (Norgren C a Co), 5954-49 (Norgren C a Co).
Key specifications for 5954-49: Style Designator: FLAT; Media for Which Designed: AIR; Part Name Assigned by Controlling Agency: (INAVY)DIAPHRAM RELIEVING; End Item Identification: FILTER REGULATOR B38-440-A1LA. 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.