PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12749Timer,sequential

Abrams Instrument Corporation · NSN 6645-00-070-0320 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-070-0320 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-070-0320. Primary manufacturer part number: 12749.
Features
  • Timer,sequential — FSC 6645
  • FSC Application Data: U/O PANEL ASSEMBLY,RADAR PILOTS TIMER,PART NOS. 5381036-1 AND 5381036-5. PART OF EQUIP INSTL,AFT COCKPIT SUB PANELS,PART NOS 5381028-1 AND 5381028-3
  • Timer Type: ELECTRICAL
  • 1 verified cross-reference
  • Primary manufacturer: Abrams Instrument Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-00-070-0320, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Abrams Instrument Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-070-0320
Primary Part Number12749
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerAbrams Instrument Corporation
StatusACTIVE
FSC Application DataU/O PANEL ASSEMBLY,RADAR PILOTS TIMER,PART NOS. 5381036-1 AND 5381036-5. PART OF EQUIP INSTL,AFT COCKPIT SUB PANELS,PART NOS 5381028-1 AND 5381028-3
Timer TypeELECTRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-071-704012749 INTERCHANGEABLE
Terminal Board
Harcosemco Llc Dba Harcosemco
2915-00-211-477112749 INTERCHANGEABLE
Cover Assembly,valve Solenoid
Hydro-Aire Aerospace Corp
5330-00-244-816912749 INTERCHANGEABLE
Gasket
Komatsu America Corporation
7320-00-389-5076V12749 INTERCHANGEABLE
Arm,control
Itw Food Equipment Group Llc Dba Hobart Service
1650-00-944-75041274-9 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
12749 Abrams Instrument Corporation (USA)
Related Parts
5940-00-071-7040INTERCHANGEABLE
TERMINAL BOARD
12749
2915-00-211-4771INTERCHANGEABLE
COVER ASSEMBLY,VALVE SOLENOID
12749
5330-00-244-8169INTERCHANGEABLE
GASKET
12749
7320-00-389-5076INTERCHANGEABLE
ARM,CONTROL
V12749
1650-00-944-7504INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
1274-9

Frequently Asked Questions

What is NSN 6645-00-070-0320?

NSN 6645-00-070-0320 is a Timer,sequential, manufactured by Abrams Instrument Corporation, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-070-0320?

NSN 6645-00-070-0320 has 1 cross-referenced part number: 12749 (Abrams Instrument Corporation).

What NSN replaces 6645-00-070-0320?

There are 5 known substitutes for 6645-00-070-0320: 5940-00-071-7040, 2915-00-211-4771, 5330-00-244-8169 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12749?

Key specifications for 12749: FSC Application Data: U/O PANEL ASSEMBLY,RADAR PILOTS TIMER,PART NOS. 5381036-1 AND 5381036-5. PART OF EQUIP INSTL,AFT COCKPIT SUB PANELS,PART NOS 5381028-1 AND 5381028-3; End Item Identification: F4C AND F4D ACFT; Timer Type: ELECTRICAL; Special Features: 115 VAC,400 HZ,6 WATT;28 VDC CLUTCH VOLTAGE,10 WATT;2.438 IN. W,2.438 IN. H,8.200 IN. D VDC. 4 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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