PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5120-00-221-2731Marlinespike

General Services Administration Federal Supply Service · NSN 5120-00-221-2731 · FSC 5120 · No Item Name Available
Verified by PartsTable
Features
  • Marlinespike — FSC 5120
  • Material: STEEL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • 6 verified cross-references
  • Primary manufacturer: General Services Administration Federal Supply Service
Applications
  • Applications requiring Steel construction
General Description

The Marlinespike, cataloged under National Stock Number 5120-00-221-2731, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5120-00-221-2731
Primary Part Number5120-00-221-2731
Item NameMarlinespike
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
MaterialSTEEL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-146-5602336B INTERCHANGEABLE
Valve Assembly
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5120-00-224-9440DWG5120-00-224-9440 INTERCHANGEABLE
Marlinespike
General Services Administration Federal Supply Service
5120-00-224-9441305-10 INTERCHANGEABLE
Marlinespike
Leetonia Tool Co the
5120-00-224-9443DWG5120-00-224-9443 INTERCHANGEABLE
Marlinespike
General Services Administration Federal Supply Service
5120-00-224-94445120002249444 INTERCHANGEABLE
Marlinespike
Mephisto Tool Co Inc
5120-00-288-77695120-00-288-7769 INTERCHANGEABLE
Marlinespike
General Services Administration Federal Supply Service
5120-00-293-1136304-12 INTERCHANGEABLE
Marlinespike
Lansing Forge Inc
2910-00-368-1902336B INTERCHANGEABLE
Pump
R. H. Sheppard Co., Inc. Dba Sheppard
4730-00-424-5871SAE J512 4-4 040102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5940-01-023-0375681-12 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
Cross-Reference Index
Part NumberManufacturer
5120-00-221-2731 PRIMARY General Services Administration Federal Supply Service (USA)
68112 C. S. Osborne and Company Dba Cs Osborne & Co (USA)
MIL-M-15926 TY1 General Services Administration Federal Supply Service (USA)
336-B Stortz John and Son Incorporated (USA)
CTM3341 Huntington Partners, Inc. Dba Continental Tool & Mfg. (USA)
MIL-M-15926 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-146-5602INTERCHANGEABLE
VALVE ASSEMBLY
336B
5120-00-224-9440INTERCHANGEABLE
MARLINESPIKE
DWG5120-00-224-9440
5120-00-224-9441INTERCHANGEABLE
MARLINESPIKE
305-10
5120-00-224-9443INTERCHANGEABLE
MARLINESPIKE
DWG5120-00-224-9443
5120-00-224-9444INTERCHANGEABLE
MARLINESPIKE
5120002249444
5120-00-288-7769INTERCHANGEABLE
MARLINESPIKE
5120-00-288-7769
5120-00-293-1136INTERCHANGEABLE
MARLINESPIKE
304-12
2910-00-368-1902INTERCHANGEABLE
PUMP
336B
4730-00-424-5871INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-4 040102B
5940-01-023-0375INTERCHANGEABLE
TERMINAL,LUG
681-12
9905-01-059-2100INTERCHANGEABLE
PLATE,INSTRUCTION
68112
2815-01-072-8175INTERCHANGEABLE
CYLINDER HEAD,DIESEL ENGINE
374280

Frequently Asked Questions

What is NSN 5120-00-221-2731?

NSN 5120-00-221-2731 is a Marlinespike, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-221-2731?

NSN 5120-00-221-2731 has 6 cross-referenced part numbers: 5120-00-221-2731 (General Services Administration Federal Supply Service), 68112 (C. S. Osborne and Company Dba Cs Osborne & Co), MIL-M-15926 TY1 (General Services Administration Federal Supply Service), 336-B (Stortz John and Son Incorporated), CTM3341 (Huntington Partners, Inc. Dba Continental Tool & Mfg.) and 1 more.

What NSN replaces 5120-00-221-2731?

There are 12 known substitutes for 5120-00-221-2731: 4820-00-146-5602, 5120-00-224-9440, 5120-00-224-9441 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5120-00-221-2731?

Key specifications for 5120-00-221-2731: Material: STEEL; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT; Special Features: WITH EYE; FOR WIRE ROPE; Overall Length: 8.000 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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