The Disk,valve, cataloged under National Stock Number 4820-01-214-1725, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Acme Products & Engineering Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-214-1725 |
| Primary Part Number | NC149-AP |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Acme Products & Engineering Inc |
| Status | ACTIVE |
| Outside Diameter | 3.115 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 2.155 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| NC149-AP PRIMARY | Acme Products & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| NC756 | D/9 Drawing number reference only Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| NC756 PIECE 52 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| NC149 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
NSN 4820-01-214-1725 is a Disk,valve, manufactured by Acme Products & Engineering Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-214-1725 has 1 manufacturer part number on file: NC149-AP (Acme Products & Engineering Inc).
Key specifications for NC149-AP: Overall Height: 90.250 INCHES NOMINAL IN; Outside Diameter: 3.115 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 2.155 INCHES NOMINAL IN. 4 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.