PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

030B00037Timer,sequential

U S Dept of Transportation Federal Aviation Administration · NSN 6645-01-155-3966 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-155-3966 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-155-3966. Primary manufacturer part number: 030B00037.
Features
  • Timer,sequential — FSC 6645
  • Color: WHITE
  • 5 verified cross-references
  • Primary manufacturer: U S Dept of Transportation Federal Aviation Administration
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-155-3966, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 1 verified specification, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-155-3966
Primary Part Number030B00037
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerU S Dept of Transportation Federal Aviation Administration
StatusACTIVE
ColorWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-0210350A INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5960-00-116-9958 INTERCHANGEABLE
Electron Tube
5985-00-449-3692350A INTERCHANGEABLE
Attenuator,variable
Keysight Technologies Inc
5905-00-549-15283-50A INTERCHANGEABLE
Resistor,current Regulating
Amperite Co Inc
5910-00-615-9955 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5935-00-702-4199 INTERCHANGEABLE
Jack,tip
6515-00-926-9201 INTERCHANGEABLE
Connector,tubing,straight
6625-01-018-5024350A INTERCHANGEABLE
Test Equipment,vibration
Unholtz-Dickie Corp
6665-01-191-8963 INTERCHANGEABLE
Hose,extension,toxic Gas-Vapor S
6220-01-201-748514-012A INTERCHANGEABLE
Light,warning
Federal Signal Corporation
Cross-Reference Index
Part NumberManufacturer
030B00037 PRIMARY U S Dept of Transportation Federal Aviation Administration (USA)
030B00037 Sonicraft Inc (USA)
350A The Gregory Manufacturing Company (USA)
350A6 Harrington Signal Inc. Dba Commercial Product Group Div Cpg, Commercial Products Group (USA)
278-0050 Harrington Signal Inc. Dba Commercial Product Group Div Cpg, Commercial Products Group (USA)
Related Parts
3110-00-100-0210INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
350A
5960-00-116-9958INTERCHANGEABLE
ELECTRON TUBE
5985-00-449-3692INTERCHANGEABLE
ATTENUATOR,VARIABLE
350A
5905-00-549-1528INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
3-50A
5910-00-615-9955INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5935-00-702-4199INTERCHANGEABLE
JACK,TIP
6515-00-926-9201INTERCHANGEABLE
CONNECTOR,TUBING,STRAIGHT
6625-01-018-5024INTERCHANGEABLE
TEST EQUIPMENT,VIBRATION
350A
6665-01-191-8963INTERCHANGEABLE
HOSE,EXTENSION,TOXIC GAS-VAPOR S
6220-01-201-7485INTERCHANGEABLE
LIGHT,WARNING
14-012A
4910-01-408-3280INTERCHANGEABLE
TRUCK,LIFT,WHEEL
350A

Frequently Asked Questions

What is NSN 6645-01-155-3966?

NSN 6645-01-155-3966 is a Timer,sequential, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-155-3966?

NSN 6645-01-155-3966 has 5 cross-referenced part numbers: 030B00037 (U S Dept of Transportation Federal Aviation Administration), 030B00037 (Sonicraft Inc), 350A (The Gregory Manufacturing Company), 350A6 (Harrington Signal Inc. Dba Commercial Product Group Div Cpg, Commercial Products Group), 278-0050 (Harrington Signal Inc. Dba Commercial Product Group Div Cpg, Commercial Products Group).

What NSN replaces 6645-01-155-3966?

There are 11 known substitutes for 6645-01-155-3966: 3110-00-100-0210, 5960-00-116-9958, 5985-00-449-3692 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 030B00037?

Key specifications for 030B00037: Overall Height: 12.000 INCHES NOMINAL IN; Special Features: COMPLETELY ENCLOSED;8.219 IN. O/A LG; FUNCTION: TIMER, ELECTROMECHANICAL; REFERENCE DATA: 1A2S1B1, TI 6850.47, FA 9955, PG 8-3 IN; End Item Identification: POWER CONTROL UNIT,TYPE FA9955-1; ODALS, FA-9955-1; Color: WHITE. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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