PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

K-20Knife,putty

Name: K-20
SKU: 5120-01-278-4814

Ampco Partners, Ltd. Dba Ampco Safety Tools · NSN 5120-01-278-4814 · FSC 5120 · No Item Name Available

Verified by PartsTable

NSN 5120-01-278-4814 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-278-4814. Primary manufacturer part number: K-20.

5120-01-278-4814 — No Item Name Available illustration

Features

Knife,putty — FSC 5120
Blade Width: 2.000 INCHES NOMINAL IN
Material: WOOD HANDLE
Blade Length: 4.000 INCHES NOMINAL IN
Material: COPPER ALLOY BLADE
4 verified cross-references
Primary manufacturer: Ampco Partners, Ltd. Dba Ampco Safety Tools

Applications

Applications requiring Wood Handle construction

General Description

The Knife,putty, cataloged under National Stock Number 5120-01-278-4814, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ampco Partners, Ltd. Dba Ampco Safety Tools. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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

Parameter	Value
NSN	5120-01-278-4814
Primary Part Number	K-20
Item Name	Knife,putty
FSC / FSG	5120 / 51 — No Item Name Available
Manufacturer	Ampco Partners, Ltd. Dba Ampco Safety Tools
Status	ACTIVE
Blade Width	2.000 INCHES NOMINAL IN
Material	WOOD HANDLE
Blade Length	4.000 INCHES NOMINAL IN
Material	COPPER ALLOY BLADE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

5140-00-357-5482K20 INTERCHANGEABLE

Tool Box,portable

Kennedy Manufacturing Company

6720-00-663-3091K24 INTERCHANGEABLE

Camera,still Picture

Eastman Kodak Co

6720-00-663-3092K20 INTERCHANGEABLE

Camera,still Picture

Bae Systems Information and Electronic Systems Integration Inc.

5120-00-829-769158-0143 INTERCHANGEABLE

Wrench Set,open End,fixed

Moody Tools, Inc.

3120-00-903-9759AA1242-3 INTERCHANGEABLE

Bearing,sleeve

Chrysler Corp Amplex Div

5140-01-081-78263284773 INTERCHANGEABLE

Tool Box,portable

Naval Sea Systems Command

4310-01-291-8028K-26-D INTERCHANGEABLE

Compressor Unit,reciprocating

Bauer Compressors, Inc.

6685-01-437-7773K40-MP0.2-N01MS INTERCHANGEABLE

Gage,pressure,dial Indicating

Smc Corporation of America

5140-01-532-6049K24 INTERCHANGEABLE

Tool Box,portable

Kennedy Manufacturing Company

4310-01-540-2146 INTERCHANGEABLE

Compressor,reciprocating

Cross-Reference Index

Part Number	Manufacturer
K-20 PRIMARY	Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
K-20	Ampco Metal Inc. Dba Ampco Metal Inc (USA)
K-24-2169	Ngk Metals Corporation Dba N G K Berylco (USA)
K-24 PRIMARY	Ngk Metals Corporation Dba N G K Berylco (USA)

Related Parts

5140-00-357-5482INTERCHANGEABLE

TOOL BOX,PORTABLE

K20

6720-00-663-3091INTERCHANGEABLE

CAMERA,STILL PICTURE

K24

6720-00-663-3092INTERCHANGEABLE

CAMERA,STILL PICTURE

K20

5120-00-829-7691INTERCHANGEABLE

WRENCH SET,OPEN END,FIXED

58-0143

3120-00-903-9759INTERCHANGEABLE

BEARING,SLEEVE

AA1242-3

5140-01-081-7826INTERCHANGEABLE

TOOL BOX,PORTABLE

3284773

4310-01-291-8028INTERCHANGEABLE

COMPRESSOR UNIT,RECIPROCATING

K-26-D

6685-01-437-7773INTERCHANGEABLE

GAGE,PRESSURE,DIAL INDICATING

K40-MP0.2-N01MS

5140-01-532-6049INTERCHANGEABLE

TOOL BOX,PORTABLE

K24

4310-01-540-2146INTERCHANGEABLE

COMPRESSOR,RECIPROCATING

5330-01-599-6441INTERCHANGEABLE

GASKET

K/20

4320-01-721-6022INTERCHANGEABLE

PUMP,INFLATING,MANUAL

K-20

Frequently Asked Questions

What is NSN 5120-01-278-4814?

NSN 5120-01-278-4814 is a Knife,putty, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-278-4814?

NSN 5120-01-278-4814 has 4 cross-referenced part numbers: K-20 (Ampco Partners, Ltd. Dba Ampco Safety Tools), K-20 (Ampco Metal Inc. Dba Ampco Metal Inc), K-24-2169 (Ngk Metals Corporation Dba N G K Berylco), K-24 (Ngk Metals Corporation Dba N G K Berylco).

What NSN replaces 5120-01-278-4814?

There are 12 known substitutes for 5120-01-278-4814: 5140-00-357-5482, 6720-00-663-3091, 6720-00-663-3092 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K-20?

Key specifications for K-20: Blade Width: 2.000 INCHES NOMINAL IN; Material: WOOD HANDLE; Blade Length: 4.000 INCHES NOMINAL IN; Overall Length: 7.625 INCHES NOMINAL IN. 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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