The Guide,valve Stem, cataloged under National Stock Number 4820-01-423-1805, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-423-1805 |
| Primary Part Number | 3900-18-12 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-225/6, O FED SPEC 1ST MATERIAL RESPONSE |
| Bore Counterbore | NOT INCLUDED |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| AE87612K ITEM 2 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 3900-18-12 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| AE87612K | D/9 Drawing number reference only Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4820-01-423-1805 is a Guide,valve Stem, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-423-1805 has 2 manufacturer part numbers on file: AE87612K ITEM 2 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 3900-18-12 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-423-1807, 4730-01-423-1812, 4730-01-423-2438. Verify interchangeability with system specifications before substitution.
Key specifications for 3900-18-12: Material Document and Classification: QQ-A-225/6, O FED SPEC 1ST MATERIAL RESPONSE; Bore Counterbore: NOT INCLUDED; End Item Identification: AEROQUIP QUICK DISCONNECT AE87612K; SUPPORT EQUIPMENT B-2 BOMBER; Material: ALUMINUM ALLOY 2024. 3 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.