The Disk Assembly, cataloged under National Stock Number 4820-01-116-7665, 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 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-116-7665 |
| Primary Part Number | A48480-O2 |
| Item Name | Disk Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| A48480-O2 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A48480-O2 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| A48480CP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| D48668 ITEM 7CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| D48668 ITEM 7 | 5/1 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| A48480 | 5/1 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 4820-01-116-7665 is a Disk Assembly, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-116-7665 has 1 manufacturer part number on file: A48480-O2 (Hunt Valve Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-211-9112, 4820-01-307-6219, 4820-01-317-1608. Verify interchangeability with system specifications before substitution.
Key specifications for A48480-O2: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 2 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.