PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1964-G502Timer,sequential

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 6645-01-277-9335 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-277-9335 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-277-9335. Primary manufacturer part number: 1964-G502.
Features
  • Timer,sequential — FSC 6645
  • 2 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-277-9335, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-01-277-9335
Primary Part Number1964-G502
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-093-6884DS-931034 INTERCHANGEABLE
Screw,cap,hexagon Head
Eaton Aerospace, Llc Dba Jackson South
5940-00-238-85481964 INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
6810-00-241-1190 INTERCHANGEABLE
Mercuric Chloride
5120-00-288-87131964 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
5120-00-293-33975120-00-293-3397 INTERCHANGEABLE
Mallet,rawhide
General Services Administration Federal Supply Service
5970-00-356-3696 INTERCHANGEABLE
Insulator,standoff
2520-00-737-13691964 INTERCHANGEABLE
Transfer Transmission Assembly
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
6240-00-948-10961964 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
2805-00-979-6550V-2486 INTERCHANGEABLE
Valve,poppet,engine
Eaton Corp Dba Eaton Aerospace Jackson
5330-00-990-3381 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
1964 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
1964-G502 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5305-00-093-6884INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
DS-931034
5940-00-238-8548INTERCHANGEABLE
TERMINAL,LUG
1964
6810-00-241-1190INTERCHANGEABLE
MERCURIC CHLORIDE
5120-00-288-8713INTERCHANGEABLE
WRENCH,OPEN END
1964
5120-00-293-3397INTERCHANGEABLE
MALLET,RAWHIDE
5120-00-293-3397
5970-00-356-3696INTERCHANGEABLE
INSULATOR,STANDOFF
2520-00-737-1369INTERCHANGEABLE
TRANSFER TRANSMISSION ASSEMBLY
1964
6240-00-948-1096INTERCHANGEABLE
LAMP,INCANDESCENT
1964
2805-00-979-6550INTERCHANGEABLE
VALVE,POPPET,ENGINE
V-2486
5330-00-990-3381INTERCHANGEABLE
GASKET
6680-01-128-8404INTERCHANGEABLE
TACHOMETER,STROBOSCOPIC
1285-01-195-1261INTERCHANGEABLE
PWR S 5V
2835325

Frequently Asked Questions

What is NSN 6645-01-277-9335?

NSN 6645-01-277-9335 is a Timer,sequential, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-01-277-9335?

NSN 6645-01-277-9335 has 2 cross-referenced part numbers: 1964 (Howell Laboratories Inc Dba Howell Laboratories Inc), 1964-G502 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 6645-01-277-9335?

There are 12 known substitutes for 6645-01-277-9335: 5305-00-093-6884, 5940-00-238-8548, 6810-00-241-1190 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1964-G502?

Key specifications for 1964-G502: End Item Identification: HOWELL LABORATORIES INC PANEL MONITOR. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-01-277-9335 still in active supply?

NSN 6645-01-277-9335 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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