The Reamer,machine, cataloged under National Stock Number 3455-00-516-4042, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3455-00-516-4042
Item Name
Reamer,machine
FSC / FSG
3455 / 34 — Cutting Tools for Machine Tools
Status
ACTIVE
Shank Diameter
0.438 INCHES NOMINAL IN
Size Changeability Type
ADJUSTABLE
Helix Direction
LEFT-HAND
Overall Diameter
0.500 INCHES NOMINAL IN
Flute Cut Direction
RIGHT-HAND
Shank Type
STRAIGHT
Size Range
+0.5000 TO 0.5090 INCHES IN
Guide
NOT INCLUDED
Flute Length
0.938 INCHES NOMINAL IN
Nondefinitive Spec/std Data
3 TYPE AND A GRADE AND 4 CLASS
Flute Type
INTEGRAL
Flute Quantity
6
Material
STEEL LOCATION NOT OTHERWISE SPECIFIED
Reamer Type
FLUTED CHUCKING
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5999-00-518-8333POSSIBLE MATCH
CLIP,ELECTRICAL
Possible match (shared part number)
6625-00-805-710250CPOSSIBLE MATCH
DETECTING ELEMENT,DIRECTIONAL CO
Possible match (shared part number)Bird Electronic Corporation Div Bird Electronic Corp
6685-00-811-9327080-000853POSSIBLE MATCH
THERMOMETER,INDICATING,CAPILLARY
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5950-00-946-2074P38500212POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Entron Industries Limited Partnership Dba Entron Industries Property Div
5985-00-947-8906335-270POSSIBLE MATCH
COUPLER,DIRECTIONAL
Possible match (shared part number)Raytheon Company Dba Raytheon Co
5975-01-406-329450CPOSSIBLE MATCH
COUPLING ROD
Possible match (shared part number)Abb Installation Products Inc
4820-01-527-199150-CPOSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Exair Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
50C
5/9Secondary reference
Lempco Products Inc
GGGR180
5/9Secondary reference
U.S. Government activity
ANSI-B94.2
4/1Identification reference
Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Related Parts
5999-00-518-8333POSSIBLE MATCH
CLIP,ELECTRICAL
6625-00-805-7102POSSIBLE MATCH
DETECTING ELEMENT,DIRECTIONAL CO
50C
6685-00-811-9327POSSIBLE MATCH
THERMOMETER,INDICATING,CAPILLARY
080-000853
5950-00-946-2074POSSIBLE MATCH
TRANSFORMER,POWER
P38500212
5985-00-947-8906POSSIBLE MATCH
COUPLER,DIRECTIONAL
335-270
5975-01-406-3294POSSIBLE MATCH
COUPLING ROD
50C
4820-01-527-1991POSSIBLE MATCH
VALVE,FLOW CONTROL
50-C
Frequently Asked Questions
What is NSN 3455-00-516-4042?
NSN 3455-00-516-4042 is a Reamer,machine, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
What NSN replaces 3455-00-516-4042?
7 possible matches (shared part number, not a government interchangeability claim): 5999-00-518-8333, 6625-00-805-7102, 6685-00-811-9327. Verify interchangeability with system specifications before substitution.
What are the specifications of 3455-00-516-4042?
Key specifications for 3455-00-516-4042: Shank Diameter: 0.438 INCHES NOMINAL IN; Size Changeability Type: ADJUSTABLE; Helix Direction: LEFT-HAND; Overall Diameter: 0.500 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
Is NSN 3455-00-516-4042 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.