PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F1/2Letter and Numeral Set,sign

Quartet Mfg Co · NSN 9905-00-241-2650 · FSC 9905 · No Item Name Available
Verified by PartsTable
NSN 9905-00-241-2650 — this item is cataloged by the U.S. Government under National Stock Number 9905-00-241-2650. Primary manufacturer part number: F1/2.
Features
  • Letter and Numeral Set,sign — FSC 9905
  • 1 verified cross-reference
  • Primary manufacturer: Quartet Mfg Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Letter and Numeral Set,sign, cataloged under National Stock Number 9905-00-241-2650, is classified within Federal Supply Class 9905 (No Item Name Available) of the Miscellaneous group. The primary manufacturer of record is Quartet Mfg Co. 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
NSN9905-00-241-2650
Primary Part NumberF1/2
Item NameLetter and Numeral Set,sign
FSC / FSG9905 / 99 — No Item Name Available
ManufacturerQuartet Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-061-2286F1-2 INTERCHANGEABLE
Standoff,threaded,spacing
Roller Bearing Co of America, Inc Div Pic Design
3110-00-108-9346177039-65 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
3110-00-156-1720 INTERCHANGEABLE
Bearing,ball,thrust
4730-00-228-2180F12 INTERCHANGEABLE
Clamp,hose
Deco Products Company, Lllp Dba Deco Products Co
3455-00-228-523841011 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
5905-00-502-4365 INTERCHANGEABLE
Resistor,fixed,composition
3120-00-661-5014F312 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5340-00-678-4643 INTERCHANGEABLE
Shield,expansion
6130-01-032-6013SF14V INTERCHANGEABLE
Power Supply
Shigamo Development Inc Div American High Voltage
5920-01-072-5142F12 INTERCHANGEABLE
Fuse,slow-Blow
Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
Cross-Reference Index
Part NumberManufacturer
F1/2 PRIMARY Quartet Mfg Co (USA)
Related Parts
5340-00-061-2286INTERCHANGEABLE
STANDOFF,THREADED,SPACING
F1-2
3110-00-108-9346INTERCHANGEABLE
BEARING,BALL,ANNULAR
177039-65
3110-00-156-1720INTERCHANGEABLE
BEARING,BALL,THRUST
4730-00-228-2180INTERCHANGEABLE
CLAMP,HOSE
F12
3455-00-228-5238INTERCHANGEABLE
CUTTER,MILLING,END
41011
5905-00-502-4365INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
3120-00-661-5014INTERCHANGEABLE
BEARING,SLEEVE
F312
5340-00-678-4643INTERCHANGEABLE
SHIELD,EXPANSION
6130-01-032-6013INTERCHANGEABLE
POWER SUPPLY
SF14V
5920-01-072-5142INTERCHANGEABLE
FUSE,SLOW-BLOW
F12
4720-01-281-7408INTERCHANGEABLE
HOSE,AIR DUCT
F12
5855-01-387-8726INTERCHANGEABLE
FILTER,INFRARED LIGHT
F12

Frequently Asked Questions

What is NSN 9905-00-241-2650?

NSN 9905-00-241-2650 is a Letter and Numeral Set,sign, manufactured by Quartet Mfg Co, classified under FSC 9905 (No Item Name Available). Status: active.

What are the part numbers for NSN 9905-00-241-2650?

NSN 9905-00-241-2650 has 1 cross-referenced part number: F1/2 (Quartet Mfg Co).

What NSN replaces 9905-00-241-2650?

There are 12 known substitutes for 9905-00-241-2650: 5340-00-061-2286, 3110-00-108-9346, 3110-00-156-1720 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F1/2?

Key specifications for F1/2: Special Features: PLASTIC;0.062 IN.THK;SEMIGLOSS WHITE,FED STD 595 NO.27880;NOT REFLECTORIZED;NOT EMBOSSED;ATTACHED BY 1/4 IN.TAB ON TOP AND BOTTOM INSERTED IN GROOVES;LTRS A TO Z,NUMERALS 0 TO 9;PER CENT SYMBOL;1/2 AND 3/4 IN.H;SPEC FEAT,W/35 COMPARTMENTALIZED CASE;NOT PKG FOR ISSUE 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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