The Valve,flow Control, cataloged under National Stock Number 4820-01-587-7142, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-587-7142 |
| Primary Part Number | 211095738 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| 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 |
|---|---|
| 555-6405456 AY88 | Naval Sea Systems Command (USA) |
| 211095738 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| DF2402-701 AY88 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6405456 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-587-7142 is a Valve,flow Control, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-587-7142 has 2 manufacturer part numbers on file: 555-6405456 AY88 (Naval Sea Systems Command), 211095738 (Huntington Ingalls Inc Div Newport News Shipbuilding).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-587-7143, 4010-01-723-7192. Verify interchangeability with system specifications before substitution.
Key specifications for 211095738: Part Name Assigned by Controlling Agency: TEST FITTING FOR AFFF-35, 69 & 72 (MRC C4WX); End Item Identification: TEST FITTING FOR AFFF-35, 69 & 72 (MRC C4WX). 0 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.