PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.400Hammer,hand

The American Society of Mechanical Engineers · NSN 5120-00-243-2959 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-243-2959 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-243-2959. Primary manufacturer part number: B107.400.
Features
  • Hammer,hand — FSC 5120
  • Features Provided: NONMAGNETIC AND NONSPARKING
  • Head Weight: 16.000 OUNCES OZ
  • Specification/standard Data: 05047-ASME B107.400/B107.41 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Head Material: COPPER ALLOY
  • Style Designator: CARPENTER'S NAILING CURVED-CLAW
  • 5 verified cross-references
  • Primary manufacturer: The American Society of Mechanical Engineers
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Hammer,hand, cataloged under National Stock Number 5120-00-243-2959, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 5 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-243-2959
Primary Part NumberB107.400
Item NameHammer,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Features ProvidedNONMAGNETIC AND NONSPARKING
Head Weight16.000 OUNCES OZ
Specification/standard Data05047-ASME B107.400/B107.41 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Head MaterialCOPPER ALLOY
Style DesignatorCARPENTER'S NAILING CURVED-CLAW
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5120-00-187-1033H-56 INTERCHANGEABLE
Hammer,hand
Ngk Metals Corporation Dba N G K Berylco
5120-00-187-1034 INTERCHANGEABLE
Hammer,hand
5120-00-194-1643 INTERCHANGEABLE
Hammer,hand
5120-00-204-0810H-54A INTERCHANGEABLE
Hammer,hand
Ngk Metals Corporation Dba N G K Berylco
5120-00-288-9707 INTERCHANGEABLE
Hammer,hand
5120-00-903-9303 INTERCHANGEABLE
Hammer,hand
Cross-Reference Index
Part NumberManufacturer
B107.400 The American Society of Mechanical Engineers (USA)
MIL-H-18745 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-2476 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.41 The American Society of Mechanical Engineers (USA)
MIL-H-18745 TY3CPA General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-187-1033INTERCHANGEABLE
HAMMER,HAND
H-56
5120-00-187-1034INTERCHANGEABLE
HAMMER,HAND
5120-00-194-1643INTERCHANGEABLE
HAMMER,HAND
5120-00-204-0810INTERCHANGEABLE
HAMMER,HAND
H-54A
5120-00-288-9707INTERCHANGEABLE
HAMMER,HAND
5120-00-903-9303INTERCHANGEABLE
HAMMER,HAND

Frequently Asked Questions

What is NSN 5120-00-243-2959?

NSN 5120-00-243-2959 is a Hammer,hand, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-243-2959?

NSN 5120-00-243-2959 has 5 cross-referenced part numbers: B107.400 (The American Society of Mechanical Engineers), MIL-H-18745 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-2476 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), B107.41 (The American Society of Mechanical Engineers), MIL-H-18745 TY3CPA (General Services Administration Federal Supply Service).

What NSN replaces 5120-00-243-2959?

There are 6 known substitutes for 5120-00-243-2959: 5120-00-187-1033, 5120-00-187-1034, 5120-00-194-1643 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.400?

Key specifications for B107.400: Features Provided: NONMAGNETIC AND NONSPARKING; Head Weight: 16.000 OUNCES OZ; Specification/standard Data: 05047-ASME B107.400/B107.41 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Head Material: COPPER ALLOY. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-243-2959 still in active supply?

NSN 5120-00-243-2959 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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