PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18208Key,socket Head Screw

Eklind Tool Co · NSN 5120-01-151-1804 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-151-1804 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-151-1804. Primary manufacturer part number: 18208.
Features
  • Key,socket Head Screw — FSC 5120
  • Features Provided: BALL END AND LONG SERIES
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 0.125 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-151-1804, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Eklind Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5120-01-151-1804
Primary Part Number18208
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEklind Tool Co
StatusACTIVE
Features ProvidedBALL END AND LONG SERIES
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.125 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-115-3814A18208 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5940-00-115-5004MS20659-120 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5950-00-203-4002587AS141-1 INTERCHANGEABLE
Transformer,power
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5340-00-205-561090-TM-10501-S INTERCHANGEABLE
Caster,swivel
Albion Industries, Inc.
3460-00-220-9531BL18 INTERCHANGEABLE
Table,positioning
Troyke Mfg Co Inc
5120-00-222-170518208 INTERCHANGEABLE
Ladle,melting,hand
C. S. Osborne and Company Dba Cs Osborne & Co
5306-00-328-438710907 INTERCHANGEABLE
Eyebolt and Nut Ass
Borg-Warner Corp
4940-00-351-4676 INTERCHANGEABLE
Gun,air Blow
2940-00-424-6462 INTERCHANGEABLE
Cover
5331-00-514-48041JH4350REVCPC INTERCHANGEABLE
O-Ring
Westinghouse Electric Corp
Cross-Reference Index
Part NumberManufacturer
B18.3 The American Society of Mechanical Engineers (USA)
BL1/8 Bondhus Corp (USA)
18208 PRIMARY Eklind Tool Co (USA)
10907 Bondhus Corp (USA)
A3209941 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5330-00-115-3814INTERCHANGEABLE
GASKET
A18208
5940-00-115-5004INTERCHANGEABLE
TERMINAL,LUG
MS20659-120
5950-00-203-4002INTERCHANGEABLE
TRANSFORMER,POWER
587AS141-1
5340-00-205-5610INTERCHANGEABLE
CASTER,SWIVEL
90-TM-10501-S
3460-00-220-9531INTERCHANGEABLE
TABLE,POSITIONING
BL18
5120-00-222-1705INTERCHANGEABLE
LADLE,MELTING,HAND
18208
5306-00-328-4387INTERCHANGEABLE
EYEBOLT AND NUT ASS
10907
4940-00-351-4676INTERCHANGEABLE
GUN,AIR BLOW
2940-00-424-6462INTERCHANGEABLE
COVER
5331-00-514-4804INTERCHANGEABLE
O-RING
1JH4350REVCPC
6130-00-728-9621INTERCHANGEABLE
POWER SUPPLY
227-451
1560-00-908-4166INTERCHANGEABLE
RIB,WING
10907

Frequently Asked Questions

What is NSN 5120-01-151-1804?

NSN 5120-01-151-1804 is a Key,socket Head Screw, manufactured by Eklind Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-151-1804?

NSN 5120-01-151-1804 has 5 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), BL1/8 (Bondhus Corp), 18208 (Eklind Tool Co), 10907 (Bondhus Corp), A3209941 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5120-01-151-1804?

There are 12 known substitutes for 5120-01-151-1804: 5330-00-115-3814, 5940-00-115-5004, 5950-00-203-4002 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18208?

Key specifications for 18208: Features Provided: BALL END AND LONG SERIES; Surface Treatment: OXIDE OVERALL; Overall Length: 3.700 INCHES NOMINAL IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL. 8 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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