PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6344Pen Lifter Assembly

Belfort Instrument Company · NSN 6660-00-612-3177 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-612-3177 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-612-3177. Primary manufacturer part number: 6344.
Features
  • Pen Lifter Assembly — FSC 6660
  • General Characteristics Item Description: ALUMINUM; 5.375 IN. WIDE,9.089 IN. LONG IN
  • 1 verified cross-reference
  • Primary manufacturer: Belfort Instrument Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pen Lifter Assembly, cataloged under National Stock Number 6660-00-612-3177, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-00-612-3177
Primary Part Number6344
Item NamePen Lifter Assembly
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
General Characteristics Item DescriptionALUMINUM; 5.375 IN. WIDE,9.089 IN. LONG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8345-00-261-2951 INTERCHANGEABLE
Flag,national
8345-00-263-2529 INTERCHANGEABLE
Flag,national
8345-00-264-2616 INTERCHANGEABLE
Flag,national
5315-00-269-7105180234PC6 INTERCHANGEABLE
Key,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-279-8606 INTERCHANGEABLE
Resistor,adjustable
5305-00-286-38666344 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
2805-00-308-8029838884 INTERCHANGEABLE
Retainer
General Motors Corp
5310-00-599-9753 INTERCHANGEABLE
Washer,flat
5910-00-791-2643 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5950-00-968-5432142210-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
6344 PRIMARY Belfort Instrument Company (USA)
Related Parts
8345-00-261-2951INTERCHANGEABLE
FLAG,NATIONAL
8345-00-263-2529INTERCHANGEABLE
FLAG,NATIONAL
8345-00-264-2616INTERCHANGEABLE
FLAG,NATIONAL
5315-00-269-7105INTERCHANGEABLE
KEY,MACHINE
180234PC6
5905-00-279-8606INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5305-00-286-3866INTERCHANGEABLE
SCREW,MACHINE
6344
2805-00-308-8029INTERCHANGEABLE
RETAINER
838884
5310-00-599-9753INTERCHANGEABLE
WASHER,FLAT
5910-00-791-2643INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5950-00-968-5432INTERCHANGEABLE
TRANSFORMER,POWER
142210-01
3120-00-992-4047INTERCHANGEABLE
BEARING,SLEEVE
6344
4730-01-174-5928INTERCHANGEABLE
VENT FITTING BODY
6344

Frequently Asked Questions

What is NSN 6660-00-612-3177?

NSN 6660-00-612-3177 is a Pen Lifter Assembly, manufactured by Belfort Instrument Company, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-612-3177?

NSN 6660-00-612-3177 has 1 cross-referenced part number: 6344 (Belfort Instrument Company).

What NSN replaces 6660-00-612-3177?

There are 12 known substitutes for 6660-00-612-3177: 8345-00-261-2951, 8345-00-263-2529, 8345-00-264-2616 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6344?

Key specifications for 6344: General Characteristics Item Description: ALUMINUM; 5.375 IN. WIDE,9.089 IN. LONG IN. 1 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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