PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21020Hammer,hand

Nupla Corporation · NSN 5120-00-061-8544 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-061-8544 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-061-8544. Primary manufacturer part number: 21020.
Features
  • Hammer,hand — FSC 5120
  • Handle Material: GLASS FIBER
  • Head Weight: 20.000 OUNCES OZ
  • Style Designator: MACHINIST'S BALL-PEEN
  • Specification/standard Data: 05047-ASME B107.400 CAT 53 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 11 verified cross-references
  • Primary manufacturer: Nupla Corporation
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Hammer,hand, cataloged under National Stock Number 5120-00-061-8544, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Nupla Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-061-8544
Primary Part Number21020
Item NameHammer,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNupla Corporation
StatusCANCELLED
Handle MaterialGLASS FIBER
Head Weight20.000 OUNCES OZ
Style DesignatorMACHINIST'S BALL-PEEN
Specification/standard Data05047-ASME B107.400 CAT 53 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-061-8540 INTERCHANGEABLE
Hammer,hand
5120-00-061-8541 INTERCHANGEABLE
Hammer,hand
5120-00-061-8542 INTERCHANGEABLE
Hammer,hand
5120-00-061-8543 INTERCHANGEABLE
Hammer,hand
5120-00-061-854516410 INTERCHANGEABLE
Hammer,hand
Vaughan & Bushnell Manufacturing Company
5120-00-061-854616510 INTERCHANGEABLE
Hammer,hand
Vaughan & Bushnell Manufacturing Company
5120-00-250-3911 INTERCHANGEABLE
Hammer,hand
4730-00-278-2523 INTERCHANGEABLE
Clamp,hose
5330-00-432-45574520 INTERCHANGEABLE
Packing,preformed
Hein Werner Corp
4820-00-603-869621020 INTERCHANGEABLE
Valve,check
Mission Systems Orchard Park Inc
Cross-Reference Index
Part NumberManufacturer
B107.400 CAT 53 General Services Administration Federal Supply Service (USA)
B107.53 The American Society of Mechanical Engineers (USA)
04 52033 Barco Industries, Inc. (USA)
11A7000097 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
21020 PRIMARY Nupla Corporation (USA)
B107.400 The American Society of Mechanical Engineers (USA)
A-A-1305 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-H-86 TY2CL1STB General Services Administration Federal Supply Service (USA)
0547 5410 Blackwood J. Blackwood & Son Pty Ltd (AUS)
GGG-H-86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
04520 Barco Industries, Inc. (USA)
Related Parts
5120-00-061-8540INTERCHANGEABLE
HAMMER,HAND
5120-00-061-8541INTERCHANGEABLE
HAMMER,HAND
5120-00-061-8542INTERCHANGEABLE
HAMMER,HAND
5120-00-061-8543INTERCHANGEABLE
HAMMER,HAND
5120-00-061-8545INTERCHANGEABLE
HAMMER,HAND
16410
5120-00-061-8546INTERCHANGEABLE
HAMMER,HAND
16510
5120-00-250-3911INTERCHANGEABLE
HAMMER,HAND
4730-00-278-2523INTERCHANGEABLE
CLAMP,HOSE
5330-00-432-4557INTERCHANGEABLE
PACKING,PREFORMED
4520
4820-00-603-8696INTERCHANGEABLE
VALVE,CHECK
21020
5985-00-633-0231INTERCHANGEABLE
ATTENUATOR,FIXED
4810-00-688-9939INTERCHANGEABLE
VALVE,SOLENOID
21020

Frequently Asked Questions

What is NSN 5120-00-061-8544?

NSN 5120-00-061-8544 is a Hammer,hand, manufactured by Nupla Corporation, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-061-8544?

NSN 5120-00-061-8544 has 11 cross-referenced part numbers: B107.400 CAT 53 (General Services Administration Federal Supply Service), B107.53 (The American Society of Mechanical Engineers), 04 52033 (Barco Industries, Inc.), 11A7000097 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), 21020 (Nupla Corporation) and 6 more.

What NSN replaces 5120-00-061-8544?

There are 12 known substitutes for 5120-00-061-8544: 5120-00-061-8540, 5120-00-061-8541, 5120-00-061-8542 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21020?

Key specifications for 21020: Overall Length: 14.000 INCHES NOMINAL IN; Handle Material: GLASS FIBER; Head Weight: 20.000 OUNCES OZ; Style Designator: MACHINIST'S BALL-PEEN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-061-8544 still in active supply?

NSN 5120-00-061-8544 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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