The Valve,safety Relief, cataloged under National Stock Number 4820-01-017-5319, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Fluid Power Inc Easley Opn. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-017-5319 |
| Primary Part Number | 1L24F8T-25S-8 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Fluid Power Inc Easley Opn |
| Status | ACTIVE |
| Flow Control Device | PISTON |
| Renewable Seat Ring Type | THREADED |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Style Designator | CROSS |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +500.0 TO 2500.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Mounting Facility | BRACKET(S) |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Thread Class | 2B ALL ENDS |
| Material | STEEL SEAT |
| Material | ALUMINUM ALLOY BODY |
| Material | STEEL AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Thread Series Designator | UNF ALL ENDS |
| Valve Discharge Flow Rate | 40.0 GALLONS PER MINUTE |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 108416 | Komatsu America Corporation (USA) |
| 1L24F8T-25S-8 PRIMARY | Danfoss Fluid Power Inc Easley Opn (USA) |
| Reference | Meaning |
|---|---|
| D-108416 | 5/9 Secondary reference Komatsu America Corporation |
| 1L24E8T-2S8-8 | C/1 Advisory reference — outside the item-of-supply concept Danfoss Fluid Power Inc Easley Opn |
NSN 4820-01-017-5319 is a Valve,safety Relief, manufactured by Danfoss Fluid Power Inc Easley Opn, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-017-5319 has 2 manufacturer part numbers on file: 108416 (Komatsu America Corporation), 1L24F8T-25S-8 (Danfoss Fluid Power Inc Easley Opn).
2 possible matches (shared part number, not a government interchangeability claim): 1680-01-495-2311, 4220-01-543-5271. Verify interchangeability with system specifications before substitution.
Key specifications for 1L24F8T-25S-8: Flow Control Device: PISTON; Renewable Seat Ring Type: THREADED; Connection Style: GASKET SEAL(BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDS. 19 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.