The Pilot Assembly,valve, cataloged under National Stock Number 4810-00-933-1536, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-933-1536 |
| Primary Part Number | 281439-0008-ITEM NO-4L1 |
| Item Name | Pilot Assembly,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 281439-0008-ITEM NO-4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 222954 ITEM 1L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 216451 | 3/1 Design control — primary reference U.S. Government activity |
| 281439-0008-ITEM NO-4 | 5/2 Secondary reference U.S. Government activity |
| 281091-0001 ITEM 3 L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 222954 ITEM 1 | 5/1 Secondary reference U.S. Government activity |
| 216451L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 216834 ITEM 4L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4810-00-933-1536 is a Pilot Assembly,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-933-1536 has 1 manufacturer part number on file: 281439-0008-ITEM NO-4L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 281439-0008-ITEM NO-4L1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. 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.
NSN 4810-00-933-1536 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.