The Valve,ball, cataloged under National Stock Number 4820-01-701-3657, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Delaware Mfg Industries Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,ball |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Delaware Mfg Industries Corp (CAGE 0JVY1) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-701-3657 |
| Primary Part Number | BV4H0750SF1111 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Delaware Mfg Industries Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| BV4H0750SF1111 PRIMARY | Delaware Mfg Industries Corp (USA) |
| Reference | Meaning |
|---|---|
| P010710 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| P010710 REV A ITEM 11 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 4820-01-701-3657 is a Valve,ball, manufactured by Delaware Mfg Industries Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-701-3657 has 1 manufacturer part number on file: BV4H0750SF1111 (Delaware Mfg Industries Corp).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-701-4664, 4820-01-701-8441, 6680-01-702-1125. Verify interchangeability with system specifications before substitution.
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.