PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-54Hammer,hand

Ngk Metals Corporation Dba N G K Berylco · NSN 5120-01-278-4817 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-278-4817 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-278-4817. Primary manufacturer part number: H-54.
Features
  • Hammer,hand — FSC 5120
  • Handle Length: 12.000 INCHES NOMINAL IN
  • Features Provided: NONMAGNETIC AND NONSPARKING
  • Handle Material: WOOD
  • Style Designator: MACHINIST'S BALL-PEEN
  • Head Material: COPPER ALLOY
  • Head Weight: 12.000 OUNCES OZ
  • 2 verified cross-references
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Hammer,hand, cataloged under National Stock Number 5120-01-278-4817, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ngk Metals Corporation Dba N G K Berylco. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-278-4817
Primary Part NumberH-54
Item NameHammer,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNgk Metals Corporation Dba N G K Berylco
StatusACTIVE
Handle Length12.000 INCHES NOMINAL IN
Features ProvidedNONMAGNETIC AND NONSPARKING
Handle MaterialWOOD
Style DesignatorMACHINIST'S BALL-PEEN
Head MaterialCOPPER ALLOY
Head Weight12.000 OUNCES OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-00-491-0821 INTERCHANGEABLE
Heater,thermal Release
4320-00-506-2215H54 INTERCHANGEABLE
Ring,water,seal
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-325-2962 INTERCHANGEABLE
Pump Unit,centrifugal
Cross-Reference Index
Part NumberManufacturer
H-54 PRIMARY Ngk Metals Corporation Dba N G K Berylco (USA)
H-54-2117 Ngk Metals Corporation Dba N G K Berylco (USA)
Related Parts
5999-00-491-0821INTERCHANGEABLE
HEATER,THERMAL RELEASE
4320-00-506-2215INTERCHANGEABLE
RING,WATER,SEAL
H54
4320-01-325-2962INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL

Frequently Asked Questions

What is NSN 5120-01-278-4817?

NSN 5120-01-278-4817 is a Hammer,hand, manufactured by Ngk Metals Corporation Dba N G K Berylco, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-278-4817?

NSN 5120-01-278-4817 has 2 cross-referenced part numbers: H-54 (Ngk Metals Corporation Dba N G K Berylco), H-54-2117 (Ngk Metals Corporation Dba N G K Berylco).

What NSN replaces 5120-01-278-4817?

There are 3 known substitutes for 5120-01-278-4817: 5999-00-491-0821, 4320-00-506-2215, 4320-01-325-2962. Verify interchangeability with system specifications before substitution.

What are the specifications of H-54?

Key specifications for H-54: Handle Length: 12.000 INCHES NOMINAL IN; Features Provided: NONMAGNETIC AND NONSPARKING; Handle Material: WOOD; Style Designator: MACHINIST'S BALL-PEEN. 6 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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