The Retainer,poppet Valve, cataloged under National Stock Number 4920-01-073-4849, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is American Valley Aviation, Inc. Dba American Valley Aviation Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-073-4849 |
| Primary Part Number | 16A24280L1-1 |
| Item Name | Retainer,poppet Valve |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | American Valley Aviation, Inc. Dba American Valley Aviation Inc |
| Status | ACTIVE |
| General Characteristics Item Description | PREVENTS UNSEATING OF THE EPU GASGENERATOR POPPET VALVE DURING LEAK TESTS |
| 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 |
|---|---|
| 16A24280L1-1 | American Valley Aviation, Inc. Dba American Valley Aviation Inc (USA) |
| 16A24280-11 | American Valley Aviation, Inc. Dba American Valley Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 16A24280L1-1 | 3/2 Design control — primary reference U.S. Government activity |
| 4920PL0805959 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 16A24280-11 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-01-073-4849 is a Retainer,poppet Valve, manufactured by American Valley Aviation, Inc. Dba American Valley Aviation Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-073-4849 has 2 manufacturer part numbers on file: 16A24280L1-1 (American Valley Aviation, Inc. Dba American Valley Aviation Inc), 16A24280-11 (American Valley Aviation, Inc. Dba American Valley Aviation Inc).
Key specifications for 16A24280L1-1: General Characteristics Item Description: PREVENTS UNSEATING OF THE EPU GASGENERATOR POPPET VALVE DURING LEAK TESTS; End Item Identification: F-16A/B ACFT AGE. A. 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.