PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J1441GHammer,hand

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9245 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9245 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9245. Primary manufacturer part number: J1441G.
Features
  • Hammer,hand — FSC 5120
  • Handle Material: GLASS FIBER
  • Nondefinitive Spec/std Data: 3 TYPE
  • Specification/standard Data: 05047-ASME B107.400 CAT 54 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Head Weight: 4.000 POUNDS LBS
  • Style Designator: SLEDGE, BLACKSMITH'S, CROSS-PEEN
  • 6 verified cross-references
  • Primary manufacturer: The Stanley Works Dba Stanley Proto
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Hammer,hand, cataloged under National Stock Number 5120-01-399-9245, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5120-01-399-9245
Primary Part NumberJ1441G
Item NameHammer,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Handle MaterialGLASS FIBER
Nondefinitive Spec/std Data3 TYPE
Specification/standard Data05047-ASME B107.400 CAT 54 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Head Weight4.000 POUNDS LBS
Style DesignatorSLEDGE, BLACKSMITH'S, CROSS-PEEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-4105 INTERCHANGEABLE
Hammer,hand
5120-00-224-4130 INTERCHANGEABLE
Hammer,hand
5120-00-224-4139 INTERCHANGEABLE
Hammer,hand
5120-00-900-6103 INTERCHANGEABLE
Hammer,hand
5120-00-902-0092510002302N INTERCHANGEABLE
Hammer,hand
National Industries for the Blind
5120-00-902-0093510002303N INTERCHANGEABLE
Hammer,hand
National Industries for the Blind
5120-00-902-0094 INTERCHANGEABLE
Hammer,hand
5120-00-903-9303 INTERCHANGEABLE
Hammer,hand
5120-01-437-1655BH141A INTERCHANGEABLE
Hammer,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-437-1659BH142A INTERCHANGEABLE
Hammer,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
B107.400 CAT 54 TY3 General Services Administration Federal Supply Service (USA)
B107.54 General Services Administration Federal Supply Service (USA)
1441G The Stanley Works Dba Stanley Proto (USA)
J1441G PRIMARY The Stanley Works Dba Stanley Proto (USA)
3R524 W.w. Grainger, Inc. Div Government Sales Division (USA)
B107.400 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-224-4105INTERCHANGEABLE
HAMMER,HAND
5120-00-224-4130INTERCHANGEABLE
HAMMER,HAND
5120-00-224-4139INTERCHANGEABLE
HAMMER,HAND
5120-00-900-6103INTERCHANGEABLE
HAMMER,HAND
5120-00-902-0092INTERCHANGEABLE
HAMMER,HAND
510002302N
5120-00-902-0093INTERCHANGEABLE
HAMMER,HAND
510002303N
5120-00-902-0094INTERCHANGEABLE
HAMMER,HAND
5120-00-903-9303INTERCHANGEABLE
HAMMER,HAND
5120-01-437-1655INTERCHANGEABLE
HAMMER,HAND
BH141A
5120-01-437-1659INTERCHANGEABLE
HAMMER,HAND
BH142A
5120-01-437-1678INTERCHANGEABLE
HAMMER,HAND
BH143A
5120-01-474-0284INTERCHANGEABLE
HAMMER,HAND

Frequently Asked Questions

What is NSN 5120-01-399-9245?

NSN 5120-01-399-9245 is a Hammer,hand, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-399-9245?

NSN 5120-01-399-9245 has 6 cross-referenced part numbers: B107.400 CAT 54 TY3 (General Services Administration Federal Supply Service), B107.54 (General Services Administration Federal Supply Service), 1441G (The Stanley Works Dba Stanley Proto), J1441G (The Stanley Works Dba Stanley Proto), 3R524 (W.w. Grainger, Inc. Div Government Sales Division) and 1 more.

What NSN replaces 5120-01-399-9245?

There are 12 known substitutes for 5120-01-399-9245: 5120-00-224-4105, 5120-00-224-4130, 5120-00-224-4139 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J1441G?

Key specifications for J1441G: Handle Material: GLASS FIBER; Nondefinitive Spec/std Data: 3 TYPE; Specification/standard Data: 05047-ASME B107.400 CAT 54 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Head Weight: 4.000 POUNDS LBS. 7 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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