PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50CReamer,machine

Lempco Products Inc · NSN 3455-00-516-4042 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-516-4042 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-516-4042. Primary manufacturer part number: 50C.
Features
  • Reamer,machine — FSC 3455
  • Size Range: +0.5000 TO 0.5090 INCHES IN
  • Nondefinitive Spec/std Data: 3 TYPE AND A GRADE AND 4 CLASS
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Flute Quantity: 6
  • Shank Diameter: 0.438 INCHES NOMINAL IN
  • Guide: NOT INCLUDED
  • Size Changeability Type: ADJUSTABLE
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-516-4042, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Lempco Products Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3455-00-516-4042
Primary Part Number50C
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerLempco Products Inc
StatusACTIVE
Size Range+0.5000 TO 0.5090 INCHES IN
Nondefinitive Spec/std Data3 TYPE AND A GRADE AND 4 CLASS
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Flute Quantity6
Shank Diameter0.438 INCHES NOMINAL IN
GuideNOT INCLUDED
Size Changeability TypeADJUSTABLE
Reamer TypeFLUTED CHUCKING
Overall Diameter0.500 INCHES NOMINAL IN
Shank TypeSTRAIGHT
Flute TypeINTEGRAL
Flute Cut DirectionRIGHT-HAND
Flute Length0.938 INCHES NOMINAL IN
Helix DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4130-00-100-3344E2812-8450-1 INTERCHANGEABLE
Cooling Coil,air,duct Type
Fluid Handling Llc
6685-00-452-61201124988 INTERCHANGEABLE
Thermostat,flow Control
Chrysler Realty Company Llc Dba Daimler Chrysler
5999-00-518-8333 INTERCHANGEABLE
Clip,electrical
6625-00-805-710250C INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
6685-00-811-9327080-000853 INTERCHANGEABLE
Thermometer,indicating,capillary
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5950-00-946-2074P38500212 INTERCHANGEABLE
Transformer,power
Entron Industries Limited Partnership Dba Entron Industries Property Div
5985-00-947-8906335-270 INTERCHANGEABLE
Coupler,directional
Raytheon Company Dba Raytheon Co
5975-01-406-329450C INTERCHANGEABLE
Coupling Rod
Abb Installation Products Inc
4820-01-527-199150-C INTERCHANGEABLE
Valve,flow Control
Exair Llc
Cross-Reference Index
Part NumberManufacturer
50C Lempco Products Inc (USA)
GGGR180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ANSI-B94.2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4130-00-100-3344INTERCHANGEABLE
COOLING COIL,AIR,DUCT TYPE
E2812-8450-1
6685-00-452-6120INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
1124988
5999-00-518-8333INTERCHANGEABLE
CLIP,ELECTRICAL
6625-00-805-7102INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
50C
6685-00-811-9327INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
080-000853
5950-00-946-2074INTERCHANGEABLE
TRANSFORMER,POWER
P38500212
5985-00-947-8906INTERCHANGEABLE
COUPLER,DIRECTIONAL
335-270
5975-01-406-3294INTERCHANGEABLE
COUPLING ROD
50C
4820-01-527-1991INTERCHANGEABLE
VALVE,FLOW CONTROL
50-C

Frequently Asked Questions

What is NSN 3455-00-516-4042?

NSN 3455-00-516-4042 is a Reamer,machine, manufactured by Lempco Products Inc, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-516-4042?

NSN 3455-00-516-4042 has 3 cross-referenced part numbers: 50C (Lempco Products Inc), GGGR180 (Federal Specifications Promulgated by General Services Administration Washington DC), ANSI-B94.2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3455-00-516-4042?

There are 9 known substitutes for 3455-00-516-4042: 4130-00-100-3344, 6685-00-452-6120, 5999-00-518-8333 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50C?

Key specifications for 50C: Size Range: +0.5000 TO 0.5090 INCHES IN; Nondefinitive Spec/std Data: 3 TYPE AND A GRADE AND 4 CLASS; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Flute Quantity: 6. 15 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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