The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-695-8588, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-695-8588 |
| Primary Part Number | 21478-400-1Q5 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Valve Quantity | 4 |
| Criticality Code Justification | ZZZY |
| Body Material | ALUMINUM ALLOY 6061 |
| Surface Treatment | ANODIZE |
| Reference Number Differentiating Characteristics | AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED |
| 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 |
|---|---|
| 21478-400-1Q5 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 21478-400-1 | 3/1 Design control — primary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| 21478-400 | D/9 Drawing number reference only Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
NSN 4820-01-695-8588 is a Valve Assembly,manifold, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-695-8588 has 1 manufacturer part number on file: 21478-400-1Q5 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 21478-400-1Q5: Valve Quantity: 4; Criticality Code Justification: ZZZY; Body Material: ALUMINUM ALLOY 6061; Surface Treatment: ANODIZE. 5 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.