The Disk,light Interrupting, cataloged under National Stock Number 6625-01-333-3604, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-333-3604 |
| Primary Part Number | 28-7615 |
| Item Name | Disk,light Interrupting |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | FREQ RANGE X2 DISC 50HZ-2KHZ; APERTURE 5MM DIA; REF SIGNAL NPN OPEN COLLECTOR; OUTPUT TRANSISTOR VCE 30V MAX,ICE 200 MA MAX,VCE (SAT) 0.25V AT 100MA; PLUS 5V SUPPLY: 5V PORM 0.25V,10 MA MAX; EXTERNAL FREQ SETTING CONTROL SIGNAL 100HZ/V DC X SCALE FACTOR,10V MAX; ACCURACY PORM 1 PCT; CONE ANGLE F/2; INPUT VOLTAGE 114-230V,50-60 HZ,AC; DIMENSIONS: CHOPPER 150 MM DIA X 100MM,POWER SUPPLY 180 W,150 DEEP,130 HEIGHT; WEIGHT: CHOPPER 0.75 KG,POWWER SUPPLY 1.75 KG; MOUNTED ON 13.7MM PIN; SPEED OF 40:1; USED TO PRODUCE PULSED LIGHT; USED WITH SYNCHRONOUS OR LOCK-IN AMPLIFIER SYSTEMS KHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VT |
| Weight | 12.0000 lbs |
| Cube | 4.9808 cu ft |
| Part Number | Manufacturer |
|---|---|
| 28-7615 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 28-7615 | 5/9 Secondary reference Ealing Electro-Optics Inc |
NSN 6625-01-333-3604 is a Disk,light Interrupting, manufactured by Lockheed Martin Corporation, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-333-3604 has 1 manufacturer part number on file: 28-7615 (Lockheed Martin Corporation).
Key specifications for 28-7615: General Characteristics Item Description: FREQ RANGE X2 DISC 50HZ-2KHZ; APERTURE 5MM DIA; REF SIGNAL NPN OPEN COLLECTOR; OUTPUT TRANSISTOR VCE 30V MAX,ICE 200 MA MAX,VCE (SAT) 0.25V AT 100MA; PLUS 5V SUPPLY: 5V PORM 0.25V,10 MA MAX; EXTERNAL FREQ SETTING CONTROL SIGNAL 100HZ/V DC X SCALE FACTOR,10V MAX; ACCURACY PORM 1 PCT; CONE ANGLE F/2; INPUT VOLTAGE 114-230V,50-60 HZ,AC; DIMENSIONS: CHOPPER 150 MM DIA X 100MM,POWER SUPPLY 180 W,150 DEEP,130 HEIGHT; WEIGHT: CHOPPER 0.75 KG,POWWER SUPPLY 1.75 KG; MOUNTED ON 13.7MM PIN; SPEED OF 40:1; USED TO PRODUCE PULSED LIGHT; USED WITH SYNCHRONOUS OR LOCK-IN AMPLIFIER SYSTEMS KHz. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6625-01-333-3604 has DEMIL Code D. 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.