NSN 3431-01-503-5998 · NIIN 015035998 · Part number 261-0381
M K Products Inc · FSC 3431 — Electric Arc Welding Equipment · FSG 34 — Metalworking Machinery (continued) · CAGE 50623
Government record, cited
NSN 3431-01-503-5998 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-503-5998. Manufacturer of record part number: 261-0381.
Also searched as3431-01-503-5998 ·
3431015035998 ·
NIIN 015035998 ·
01-503-5998 ·
FSC 3431 Electric Arc Welding Equipment · CAGE 50623 · 261-0381
Nearby stock numbers← 3431-01-503-5456 Welding Machine, Arc
·
3431-01-503-6002 Cup Gas →
Features
Cup Insulator — FSC 3431
1 manufacturer part number on file
Manufacturer of record: M K Products Inc
Identification
NSN: 3431-01-503-5998
NIIN: 015035998
FSC: 3431 — Electric Arc Welding Equipment
FSG: 34 — Metalworking Machinery (continued)
Primary part number: 261-0381
Manufacturer: M K Products Inc
General Description
The Cup Insulator, cataloged under National Stock Number 3431-01-503-5998, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is M K Products Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 3431 — Electric Arc Welding Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3431-00-008-9353
3431-00-008-9353 · Item name not on file
3431-00-010-5596
LINER,NITROGEN CONDUIT
3431-00-010-5597
LINER,NITROGEN COND
3431-00-010-5599
3431-00-010-5599 · Item name not on file
3431-00-012-4357
3431-00-012-4357 · Item name not on file
3431-00-012-4360
3431-00-012-4360 · Item name not on file
3431-00-012-4362
SPARK GAP ASSEMBLY
3431-00-015-2564
PANEL,POWER,ALTERNATE
Frequently Asked Questions
What is NSN 3431-01-503-5998?
NSN 3431-01-503-5998 is a Cup Insulator, manufactured by M K Products Inc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
What part numbers are listed for NSN 3431-01-503-5998?
NSN 3431-01-503-5998 has 1 manufacturer part number on file: 261-0381 (M K Products Inc).
What are the specifications of 261-0381?
Key specifications for 261-0381: Part Name Assigned by Controlling Agency: INSULATOR, CUP, S/A BBL. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3431-01-503-5998 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.