The Sleeve,cylinder,valve, cataloged under National Stock Number 4820-01-216-1539, 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 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-216-1539 |
| Primary Part Number | 24760-1 ITEM 20L1 |
| Item Name | Sleeve,cylinder,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| 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 |
|---|---|
| 24760-1 ITEM 20L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 29508L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 29508 | 5/1 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 29508 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 24760-1 ITEM 20 | 3/1 Design control — primary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 24760-1 ITEM 20 | 3/9 Design control — primary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 247601 ITEM 20 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 4820-01-216-1539 is a Sleeve,cylinder,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-216-1539 has 2 manufacturer part numbers on file: 24760-1 ITEM 20L1 (Naval Inventory Control Point Mechanicsburg), 29508L1 (Naval Inventory Control Point Mechanicsburg).
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-298-2904, 5306-01-388-1142, 6520-01-480-7977. Verify interchangeability with system specifications before substitution.
Key specifications for 24760-1 ITEM 20L1: Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. 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.