The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-621-0143, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-00-621-0143 |
| Primary Part Number | 8DJ81CAA1 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6620 / 66 — No Item Name Available |
| Manufacturer | Ametek Inc Div Aerospace and Defense |
| Status | ACTIVE |
| Pointer Type | INDICATING SINGLE POINTER |
| Electrical Connection Identifying Number | MS33678-10SL-3P |
| Electrical Connection Quantity | 1 |
| Contact Type | PIN |
| Scale Range | +0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| Supplementary Features | TECH ORDER 1C-135(K)-4 FIG 584 |
| Diameter | 2.000 INCHES NOMINAL IN |
| Presentation Type | DIAL |
| Individual Marking | PERCENT RPM |
| Length | 5.000 INCHES NOMINAL IN |
| Current Type | AC |
| Contact Quantity | 3 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8DJ81CAA1 | General Electric Company (USA) |
| MILI25623 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MU-1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 6620PL1794638 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 8DJ81CAA1 PRIMARY | Ametek Inc Div Aerospace and Defense (USA) |
NSN 6620-00-621-0143 is a Indicator,electrical Tachometer, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 6620 (No Item Name Available). Status: active.
NSN 6620-00-621-0143 has 5 cross-referenced part numbers: 8DJ81CAA1 (General Electric Company), MILI25623 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MU-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6620PL1794638 (Jednolity Indeks Materialowy - Uniform Material Index), 8DJ81CAA1 (Ametek Inc Div Aerospace and Defense).
There are 12 known substitutes for 6620-00-621-0143: 6620-00-515-4541, 6620-00-515-4542, 6620-00-526-5003 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8DJ81CAA1: Pointer Type: INDICATING SINGLE POINTER; Electrical Connection Identifying Number: MS33678-10SL-3P; Electrical Connection Quantity: 1; Contact Type: PIN. 15 total characteristics are documented in the Federal Logistics Information System.