The Disk,valve, cataloged under National Stock Number 4820-01-305-9990, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-305-9990 |
| Primary Part Number | K-1537-EA |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
| 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 |
|---|---|
| K-1537-EA PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| AA-375 PIECE 13 | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| K-1537-EA-AP | Acme Products & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 15-042PC9 | C/1 Advisory reference — outside the item-of-supply concept Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
| K-1536-VM | C/1 Advisory reference — outside the item-of-supply concept Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
NSN 4820-01-305-9990 is a Disk,valve, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-305-9990 has 3 manufacturer part numbers on file: K-1537-EA (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), AA-375 PIECE 13 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), K-1537-EA-AP (Acme Products & Engineering Inc).
Key specifications for K-1537-EA: 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.