The Diaphragm,valve,flat, cataloged under National Stock Number 4810-01-272-8754, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Portland Valve Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-272-8754 |
| Primary Part Number | 20-0065-98 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 20-0065-98 PRIMARY | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| 020-0065-98 | 5/9 Secondary reference Portland Valve Llc |
| 020-006-98 | 5/9 Secondary reference Portland Valve Llc |
NSN 4810-01-272-8754 is a Diaphragm,valve,flat, manufactured by Portland Valve Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-272-8754 has 1 manufacturer part number on file: 20-0065-98 (Portland Valve Llc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-562-9214. Verify interchangeability with system specifications before substitution.
Key specifications for 20-0065-98: End Item Identification: JAMESBURY CORP,ACTUATOR,MODEL B60S; Material: RUBBER. 1 specification is 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.