The Slide,directional Control Linear, cataloged under National Stock Number 4820-01-531-3571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lexair Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-531-3571 |
| Primary Part Number | 10-0737 |
| Item Name | Slide,directional Control Linear |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lexair Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 10-0737 PRIMARY | Lexair Inc (USA) |
| Reference | Meaning |
|---|---|
| 10-0093 | 5/9 Secondary reference Lexair Inc |
| 4371-501 ITEM 8 | 5/9 Secondary reference Lexair Inc |
NSN 4820-01-531-3571 is a Slide,directional Control Linear, manufactured by Lexair Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-531-3571 has 1 manufacturer part number on file: 10-0737 (Lexair Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-693-3275, 5330-01-708-7491. Verify interchangeability with system specifications before substitution.
Key specifications for 10-0737: Part Name Assigned by Controlling Agency: SPOOL, HI-CYCLIC, TYPE II; End Item Identification: BRL-3S, 1/2, A HI-CYCLIC VALVE A; Material: STEEL CORROSION RESISTING. 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.