The Test Station,photometric System-, cataloged under National Stock Number 4920-01-708-8155, 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 Labsphere, Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-708-8155 |
| Primary Part Number | L5NB-NLNN-NNLR-NS00-0000 |
| Item Name | Test Station,photometric System- |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Labsphere, Inc. |
| Status | ACTIVE |
| Component Quantity | 7 |
| Package Model Number | USLR-L20F-NBNL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L5NB-NLNN-NNLR-NS00-0000 PRIMARY | Labsphere, Inc. (USA) |
NSN 4920-01-708-8155 is a Test Station,photometric System-, manufactured by Labsphere, Inc., classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-708-8155 has 1 manufacturer part number on file: L5NB-NLNN-NNLR-NS00-0000 (Labsphere, Inc.).
Key specifications for L5NB-NLNN-NNLR-NS00-0000: Component Quantity: 7; Package Model Number: USLR-L20F-NBNL; Special Features: INTEGRATING SPHERE:COATING/MATERIAL:SPECTRAFLECT;SPHERE INTERNAL DIAMETER 20IN;FRAME TYPE:20IN CAGE;OUTPUT PORT SIZE:8IN;SYSTEM COMPONENTS:QTH LAMPS INTERNAL:1-5WATT;1-10 WATT;SPECTRALON SATELLITE SPHERE ID 3 IN;OD 4 IN;4-LPS 400 POWER SUPPLIES;VAA-220B VARIABLE ATTENUATOR;SD-L1,SD-S1 MONITOR DETECTORS;PHOTOPIC DETECTOR FILTERS;HELIOSENSE REMOTE SYSTEM SOFTWARE;EXPECTED LUMINANCE OUTPUT CD/M2:1600;EXPECTED ILLUMINANCE AT PORT LUX:5000;PEAK RADIANCE:W/M2-SR-UM AT 1.10UM:60;OPERATIONAL DURATION OF CALIBRATION:50 HRS IN; Part Name Assigned by Controlling Agency: USLR-L20F-NBNL. 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 4920-01-708-8155 has DEMIL Code C. 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.