The Electrical Meter Subassembly, cataloged under National Stock Number 6625-00-810-4633, 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 Keysight Technologies Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-810-4633 |
| Primary Part Number | 400D19A |
| Item Name | Electrical Meter Subassembly |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Overall Diameter | 1.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Weight | 2.0000 lbs |
| Cube | 0.0042 cu ft |
| Part Number | Manufacturer |
|---|---|
| 400D19A PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 400D19A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 400D19A | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6625-00-810-4633 is a Electrical Meter Subassembly, manufactured by Keysight Technologies Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-810-4633 has 1 manufacturer part number on file: 400D19A (Keysight Technologies Inc).
Key specifications for 400D19A: Overall Diameter: 1.375 INCHES NOMINAL IN; Overall Length: 2.562 INCHES NOMINAL IN; Special Features: FIXED CAPACITOR 3;FIXED RESISTOR 7;ROTARY SWITCH 1;MOUNTS BY ONE 3/8 IN.-32 THD BUSHING,3/8 IN. LG IN. 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.
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.