The Tool Kit,pipefitter's, cataloged under National Stock Number 5180-01-426-1986, is classified within Federal Supply Class 5180 (Sets, Kits, and Outfits of Hand Tools) of the Hand Tools group. The manufacturer of record is K5 Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5180-01-426-1986 |
| Primary Part Number | MTK-3300-1-FR |
| Item Name | Tool Kit,pipefitter's |
| FSC / FSG | 5180 / 51 — Sets, Kits, and Outfits of Hand Tools |
| Manufacturer | K5 Defense Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MTK-3300-1-FR | K5 Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| MTK-3300-1 | 5/9 Secondary reference Lokring Technology, Llc |
| MTK-3300-1-FR | 3/9 Design control — primary reference Lokring Technology, Llc |
| MTK-3300-1-FR | 3/1 Design control — primary reference U.S. Government activity |
NSN 5180-01-426-1986 is a Tool Kit,pipefitter's, manufactured by K5 Defense Llc, classified under FSC 5180, Sets, Kits, and Outfits of Hand Tools. Status: active.
NSN 5180-01-426-1986 has 1 manufacturer part number on file: MTK-3300-1-FR (K5 Defense Llc).
Key specifications for MTK-3300-1-FR: Special Features: FOR 1/4,3/8,1/2,3/4 AND 1 IN;NPS FITTINGS;OEM K5 DEFENSE LLC,1700 NW 94TH AVE,DORAL,FL 33172-2336,K5DEFENSE.COM IN; End Item Identification: LOKRING SERIES SS-3300 STAINLESS STEEL PIPE FITTINGS. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.