The Time Constant, cataloged under National Stock Number 5820-00-045-6828, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Spencer Industries 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5820-00-045-6828 |
| Primary Part Number | 550-0177-003 |
| Item Name | Time Constant |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 1.200 IN. L; 1.200 IN. W; 0.507 IN. W; P/N 550-0177-003 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 550-0177-003 | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 550-0177-003 | 5/9 Secondary reference U.S. Government activity |
| 550-0177-003 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5820-00-045-6828 is a Time Constant, manufactured by Spencer Industries Inc, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-00-045-6828 has 1 manufacturer part number on file: 550-0177-003 (Spencer Industries Inc).
Key specifications for 550-0177-003: General Characteristics Item Description: 1.200 IN. L; 1.200 IN. W; 0.507 IN. W; P/N 550-0177-003 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.