The Indicator,rate of Flow, cataloged under National Stock Number 6620-00-557-3179, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-00-557-3179 |
| Primary Part Number | 25101B4A1B1 |
| Item Name | Indicator,rate of Flow |
| FSC / FSG | 6620 / 66 — No Item Name Available |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Contact Quantity | 4 |
| Nondefinitive Spec/std Data | EFU-24/A TYPE |
| Scale Range | +100.0 TO 2000.0 POUNDS PER HOUR SINGLE INDICATOR SINGLE SCALE LBS |
| Electrical Connection Quantity | 1 |
| Electrical Connection Identifying Number | AND10066-14S-2P |
| Phase | SINGLE |
| FSC Application Data | ENGINE |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Contact Type | PIN |
| Diameter | 1.750 INCHES NOMINAL IN |
| Current Type | AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25101B4A1B1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 25122B4B1A1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 18-2027 | Honeywell International Inc. Dba Honeywell International (USA) |
| 25122B4B1B1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| EFU24A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 25122B4B1B1 | Honeywell International Inc. Dba Honeywell International (USA) |
| 18-1111 | Honeywell International Inc. Dba Honeywell International (USA) |
| 25122B4A1A1 | Honeywell International Inc. Dba Honeywell International (USA) |
| MIL-I-5914 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 25122B4A1A1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 25101B4A1C1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| SR8C | Ametek, Inc. Div Aerospace & Defense (USA) |
| 25122B4B1A1 | Honeywell International Inc. Dba Honeywell International (USA) |
NSN 6620-00-557-3179 is a Indicator,rate of Flow, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6620 (No Item Name Available). Status: active.
NSN 6620-00-557-3179 has 13 cross-referenced part numbers: 25101B4A1B1 (Honeywell Intl Inc Defense Avionics Systems), 25122B4B1A1 (Honeywell Intl Inc Defense Avionics Systems), 18-2027 (Honeywell International Inc. Dba Honeywell International), 25122B4B1B1 (Honeywell Intl Inc Defense Avionics Systems), EFU24A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.
There are 10 known substitutes for 6620-00-557-3179: 5331-00-242-6632, 5331-00-248-5935, 4720-00-297-0993 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25101B4A1B1: Contact Quantity: 4; Nondefinitive Spec/std Data: EFU-24/A TYPE; Scale Range: +100.0 TO 2000.0 POUNDS PER HOUR SINGLE INDICATOR SINGLE SCALE LBS; Electrical Connection Quantity: 1. 11 total characteristics are documented in the Federal Logistics Information System.