The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-407-9336, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-407-9336 |
| Primary Part Number | M3135-2028 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| Status | ACTIVE |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 316 STEM |
| 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 |
|---|---|
| M3135-2028 PRIMARY | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 2028 | 5/9 Secondary reference Derbyshire Machine & Tool Co |
| 9118-0401-400 | 5/2 Secondary reference U.S. Government activity |
| M3135-2028 | 5/9 Secondary reference Derbyshire Machine & Tool Co |
| M3135 | D/9 Drawing number reference only Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
NSN 4820-01-407-9336 is a Valve,regulating,fluid Pressure, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-407-9336 has 1 manufacturer part number on file: M3135-2028 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
Key specifications for M3135-2028: Special Features: 1/4 FNPT X1/4 OD MALE FLRD,A-16; Material: STEEL COMP 316 BODY; Material: STEEL COMP 316 STEM. 2 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.