PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32391Timer,sequential

Motors and Armatures Inc · NSN 6645-01-473-9179 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-473-9179 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-473-9179. Primary manufacturer part number: 32391.
Features
  • Timer,sequential — FSC 6645
  • Current Type: AC
  • Frequency in Hertz: 50.0 OR 60.0
  • Timer Type: ELECTRICAL
  • 2 verified cross-references
  • Primary manufacturer: Motors and Armatures Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-473-9179, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Motors and Armatures Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-473-9179
Primary Part Number32391
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerMotors and Armatures Inc
StatusACTIVE
Current TypeAC
Frequency in Hertz50.0 OR 60.0
Timer TypeELECTRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2520-00-235-373632391 INTERCHANGEABLE
Piston
Mitsubishi Caterpillar Forklift America, Inc
5945-01-398-1669 INTERCHANGEABLE
Relay,solid State
3040-01-478-036532-391 INTERCHANGEABLE
Housing,mechanical Drive
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
1005-01-630-145932391 INTERCHANGEABLE
Rod,cleaning,small Arms
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
32391 Motors and Armatures Inc (USA)
PCTD01 Cospolich Inc. (USA)
Related Parts
2520-00-235-3736INTERCHANGEABLE
PISTON
32391
5945-01-398-1669INTERCHANGEABLE
RELAY,SOLID STATE
3040-01-478-0365INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
32-391
1005-01-630-1459INTERCHANGEABLE
ROD,CLEANING,SMALL ARMS
32391

Frequently Asked Questions

What is NSN 6645-01-473-9179?

NSN 6645-01-473-9179 is a Timer,sequential, manufactured by Motors and Armatures Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-473-9179?

NSN 6645-01-473-9179 has 2 cross-referenced part numbers: 32391 (Motors and Armatures Inc), PCTD01 (Cospolich Inc.).

What NSN replaces 6645-01-473-9179?

There are 4 known substitutes for 6645-01-473-9179: 2520-00-235-3736, 5945-01-398-1669, 3040-01-478-0365 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 32391?

Key specifications for 32391: Current Type: AC; Special Features: TYPE - ON MAKE; TIME DELAY RANGE - 6 SECONDS, 8 MINUTES; TYPE OF ADJUSTMENT - DIAL; INPUT VOLTAGE - 19 TO 288 VAC; MAXIMUM AMPS - 1; VOLTAGE DROP 2.5 AT 1 AMP; TWO-WIRE INSTALLATION; 0.25 INCH QUICK CONNECT TERMINALS; TOTALLY ENCLOSED AND ENCAPSULATED VAC; Frequency in Hertz: 50.0 OR 60.0; Timer Type: ELECTRICAL. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com