The Disk,valve, cataloged under National Stock Number 4820-01-152-2869, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-152-2869 |
| Primary Part Number | L-NB252251-SMC04 2 1/2IN PC7 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| L-NB252251-SMC04 2 1/2IN PC7 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| L-NB252251-SMC04 | D/9 Drawing number reference only Pima Valve, Llc |
| L-NB252251-SMC04 2 1/2IN PC7 | 3/9 Design control — primary reference Pima Valve, Llc |
NSN 4820-01-152-2869 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-152-2869 has 1 manufacturer part number on file: L-NB252251-SMC04 2 1/2IN PC7 (Hunt Valve Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-155-8042, 4810-01-159-8598. Verify interchangeability with system specifications before substitution.
Key specifications for L-NB252251-SMC04 2 1/2IN PC7: Material: COPPER ALLOY. 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.