NSN 3431-01-686-3127 · NIIN 016863127 · Part number CST-280
Miller Electric Mfg. Llc · FSC 3431 — Electric Arc Welding Equipment · FSG 34 — Metalworking Machinery (continued) · CAGE 3BH04
Government record, cited
NSN 3431-01-686-3127 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-686-3127. Manufacturer of record part number: CST-280.
Also searched as3431-01-686-3127 ·
3431016863127 ·
NIIN 016863127 ·
01-686-3127 ·
FSC 3431 Electric Arc Welding Equipment · CAGE 3BH04 · CST-280
Output Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
1 manufacturer part number on file
Manufacturer of record: Miller Electric Mfg. Llc
Identification
NSN: 3431-01-686-3127
NIIN: 016863127
FSC: 3431 — Electric Arc Welding Equipment
FSG: 34 — Metalworking Machinery (continued)
Primary part number: CST-280
Manufacturer: Miller Electric Mfg. Llc
General Description
The Welding Machine,inverter, cataloged under National Stock Number 3431-01-686-3127, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Miller Electric Mfg. Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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 3431-01-686-3127?
NSN 3431-01-686-3127 is a Welding Machine,inverter, manufactured by Miller Electric Mfg. Llc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
What part numbers are listed for NSN 3431-01-686-3127?
NSN 3431-01-686-3127 has 1 manufacturer part number on file: CST-280 (Miller Electric Mfg. Llc).
What are the specifications of CST-280?
Key specifications for CST-280: Output Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM; Special Features: MAX OPEN CIRCUIT VOLTAGE 77VDC, DIMENSIONS H13.5 X W7.5 X D18.0 INCHES, WELDING AMPERAGE RANGE 5-280 AMPS, INPUT POWER SINGLE/THREE PHASE, VDC; Part Name Assigned by Controlling Agency: STICK/TIG WELDING. 1 specification is documented in the U.S. Government catalog.
Is NSN 3431-01-686-3127 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.