PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18BPunch,center,automatic

L.s. Starrett Company (the) Div Tool Division · NSN 5120-01-430-6239 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-6239 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-6239. Primary manufacturer part number: 18B.
Features
  • Punch,center,automatic — FSC 5120
  • Features Provided: ADJUSTABLE STROKE
  • Material: STEEL
  • Overall Diameter: 0.688 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: L.s. Starrett Company (the) Div Tool Division
Applications
  • Applications requiring Steel construction
General Description

The Punch,center,automatic, cataloged under National Stock Number 5120-01-430-6239, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is L.s. Starrett Company (the) Div Tool Division. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN5120-01-430-6239
Primary Part Number18B
Item NamePunch,center,automatic
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Features ProvidedADJUSTABLE STROKE
MaterialSTEEL
Overall Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-173-02484980649 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
5935-00-201-432749539 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5365-00-275-6021481550PC3 INTERCHANGEABLE
Ring,externally Threaded
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-286-7060450121 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
3020-00-351-7882SMB171501 INTERCHANGEABLE
Gear,spur
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5306-00-362-2085851009 INTERCHANGEABLE
Bolt,connecting Rod
Dana Off Highway Products, Llc
5310-00-420-6976107661P211 INTERCHANGEABLE
Washer,flat
Siemens Energy, Inc. Dba Dresser-Rand
5120-00-498-8989 INTERCHANGEABLE
Staking Tool,jeweler's
3110-00-565-737218B INTERCHANGEABLE
Bearing,ball,annular
Pacific Hydro Corp
5999-00-583-7028 INTERCHANGEABLE
Retainer,electrical Shield
Cross-Reference Index
Part NumberManufacturer
18B PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
00.08.83.10 Cebeo (BEL)
50121 L.s. Starrett Company (the) Div Tool Division (USA)
00.08.83.10 Vanas (BEL)
Related Parts
3120-00-173-0248INTERCHANGEABLE
BEARING,SLEEVE
4980649
5935-00-201-4327INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
49539
5365-00-275-6021INTERCHANGEABLE
RING,EXTERNALLY THREADED
481550PC3
5330-00-286-7060INTERCHANGEABLE
SEAL,PLAIN ENCASED
450121
3020-00-351-7882INTERCHANGEABLE
GEAR,SPUR
SMB171501
5306-00-362-2085INTERCHANGEABLE
BOLT,CONNECTING ROD
851009
5310-00-420-6976INTERCHANGEABLE
WASHER,FLAT
107661P211
5120-00-498-8989INTERCHANGEABLE
STAKING TOOL,JEWELER'S
3110-00-565-7372INTERCHANGEABLE
BEARING,BALL,ANNULAR
18B
5999-00-583-7028INTERCHANGEABLE
RETAINER,ELECTRICAL SHIELD
3120-00-661-7957INTERCHANGEABLE
BEARING,SLEEVE
3157087-41
4020-00-823-7368INTERCHANGEABLE
TAPE,LACING AND TYING

Frequently Asked Questions

What is NSN 5120-01-430-6239?

NSN 5120-01-430-6239 is a Punch,center,automatic, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-430-6239?

NSN 5120-01-430-6239 has 4 cross-referenced part numbers: 18B (L.s. Starrett Company (the) Div Tool Division), 00.08.83.10 (Cebeo), 50121 (L.s. Starrett Company (the) Div Tool Division), 00.08.83.10 (Vanas).

What NSN replaces 5120-01-430-6239?

There are 12 known substitutes for 5120-01-430-6239: 3120-00-173-0248, 5935-00-201-4327, 5365-00-275-6021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18B?

Key specifications for 18B: Features Provided: ADJUSTABLE STROKE; Material: STEEL; Overall Diameter: 0.688 INCHES NOMINAL IN; Overall Length: 5.250 INCHES NOMINAL IN. 4 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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