PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19644Reamer,machine

Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa · NSN 3455-00-621-1566 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-621-1566 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-621-1566. Primary manufacturer part number: 19644.
Features
  • Reamer,machine — FSC 3455
  • 15 verified cross-references
  • Primary manufacturer: Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-621-1566, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa. This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameReamer,machine
FSC / FSG3455 — No Item Name Available (FSG 34)
ManufacturersCleveland Twist Drill Co Div of Greenfield Industries Inc (CAGE 13130); Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (CAGE 09058); Federal Specifications Promulgated by General Services Administration Washington DC (CAGE 81348); Trw Inc Trw Tools Distribution Div (CAGE 11951); Doall Baltimore Company (CAGE 18056)
Technical Specifications
ParameterValue
NSN3455-00-621-1566
Primary Part Number19644
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerBrown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1660-00-076-034160034 INTERCHANGEABLE
Parts Kit,valve
Meggitt North Hollywood Inc
6625-00-150-5241 INTERCHANGEABLE
Test Set Subassembly,electrical
5330-00-178-724960034 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5935-00-189-6245SC-C-41149 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-501-133734538H4 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
6250-00-756-307512-220XP14 INTERCHANGEABLE
Lampholder Assembly
Lighting Components and Design Incorporated Dba Lc&d
4730-00-953-6204600-1-3/4 INTERCHANGEABLE
Reducer,tube
Crane Co Div Valve Div
4310-01-007-0741 INTERCHANGEABLE
Tank,pressure
6130-01-168-7018 INTERCHANGEABLE
Power Supply Subassembly
6640-01-214-399226150 INTERCHANGEABLE
Generator,gas Envelope
Becton, Dickinson and Co Dba Becton Dickinson & Co
Cross-Reference Index
Part NumberManufacturer
4000-0531 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
4001/630-17/32 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
19644 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
GGGR180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
60034 Trw Inc Trw Tools Distribution Div (USA)
630 17-32DIA Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
712-001619 PRIMARY Doall Baltimore Company (USA)
4001/630-17/32 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
26150 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
26150 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
50-10691 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
ANSI-B94.2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
ASME B94.2 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
4000-0531 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
630 17-32DIA Kennametal Inc. Div Kennametal Industrial Products Group (USA)
Related Parts
1660-00-076-0341INTERCHANGEABLE
PARTS KIT,VALVE
60034
6625-00-150-5241INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
5330-00-178-7249INTERCHANGEABLE
SEAL,PLAIN ENCASED
60034
5935-00-189-6245INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SC-C-41149
5930-00-501-1337INTERCHANGEABLE
SWITCH,ROTARY
34538H4
6250-00-756-3075INTERCHANGEABLE
LAMPHOLDER ASSEMBLY
12-220XP14
4730-00-953-6204INTERCHANGEABLE
REDUCER,TUBE
600-1-3/4
4310-01-007-0741INTERCHANGEABLE
TANK,PRESSURE
6130-01-168-7018INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
6640-01-214-3992INTERCHANGEABLE
GENERATOR,GAS ENVELOPE
26150
4710-01-234-7397INTERCHANGEABLE
TUBE ASSEMBLY,METAL
23026150
5985-01-312-0448INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
4043822-0702

Frequently Asked Questions

What is NSN 3455-00-621-1566?

NSN 3455-00-621-1566 is a Reamer,machine, manufactured by Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa, classified under FSC 3455 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3455-00-621-1566?

NSN 3455-00-621-1566 has 15 cross-referenced part numbers: 4000-0531 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 4001/630-17/32 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 19644 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), GGGR180 (Federal Specifications Promulgated by General Services Administration Washington DC), 60034 (Trw Inc Trw Tools Distribution Div) and 10 more.

What NSN replaces 3455-00-621-1566?

There are 12 known substitutes for 3455-00-621-1566: 1660-00-076-0341, 6625-00-150-5241, 5330-00-178-7249 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 3455-00-621-1566 still in active supply?

NSN 3455-00-621-1566 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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