The Knife,putty, cataloged under National Stock Number 5120-01-243-9273, 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 5 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-01-243-9273 |
| Primary Part Number | K-21 |
| Item Name | Knife,putty |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Ampco Partners, Ltd. Dba Ampco Safety Tools |
| Status | CANCELLED |
| Material | WOOD HANDLE |
| Material | COPPER ALLOY BLADE |
| Blade Width | 1.250 INCHES NOMINAL IN |
| Blade Length | 3.562 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K-25-2176 | Ngk Metals Corporation Dba N G K Berylco (USA) |
| 3665A2 | Mcmaster-Carr Supply Co (USA) |
| K-21 PRIMARY | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| K-21 | Ampco Metal Inc. Dba Ampco Metal Inc (USA) |
| K-25 PRIMARY | Ngk Metals Corporation Dba N G K Berylco (USA) |
NSN 5120-01-243-9273 is a Knife,putty, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-01-243-9273 has 5 cross-referenced part numbers: K-25-2176 (Ngk Metals Corporation Dba N G K Berylco), 3665A2 (Mcmaster-Carr Supply Co), K-21 (Ampco Partners, Ltd. Dba Ampco Safety Tools), K-21 (Ampco Metal Inc. Dba Ampco Metal Inc), K-25 (Ngk Metals Corporation Dba N G K Berylco).
There are 12 known substitutes for 5120-01-243-9273: 3040-00-217-5294, 5905-00-279-6365, 5905-00-284-3338 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for K-21: Material: WOOD HANDLE; Material: COPPER ALLOY BLADE; Blade Width: 1.250 INCHES NOMINAL IN; Blade Length: 3.562 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-01-243-9273 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.