PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251549Semiconductor Device Assembly

Miller Electric Mfg. Llc · NSN 5961-01-668-2199 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-668-2199 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-668-2199. Primary manufacturer part number: 251549.
Features
  • Semiconductor Device Assembly — FSC 5961
  • Features Provided: ROHS DIRECTIVE COMPLIANCE
  • 3 verified cross-references
  • Primary manufacturer: Miller Electric Mfg. Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device Assembly, cataloged under National Stock Number 5961-01-668-2199, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Miller Electric Mfg. Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-668-2199
Primary Part Number251549
Item NameSemiconductor Device Assembly
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMiller Electric Mfg. Llc
StatusACTIVE
Features ProvidedROHS DIRECTIVE COMPLIANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-267-8972MS90726-1 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MIL251549 Airgas Usa, Llc (USA)
251549 PRIMARY Miller Electric Mfg. Llc (USA)
251549 Miller Electric Mfg. Co. (USA)
Related Parts
5305-00-267-8972INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS90726-1

Frequently Asked Questions

What is NSN 5961-01-668-2199?

NSN 5961-01-668-2199 is a Semiconductor Device Assembly, manufactured by Miller Electric Mfg. Llc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-668-2199?

NSN 5961-01-668-2199 has 3 cross-referenced part numbers: MIL251549 (Airgas Usa, Llc), 251549 (Miller Electric Mfg. Llc), 251549 (Miller Electric Mfg. Co.).

What NSN replaces 5961-01-668-2199?

There is 1 known substitute for 5961-01-668-2199: 5305-00-267-8972. Verify interchangeability with system specifications before substitution.

What are the specifications of 251549?

Key specifications for 251549: Features Provided: ROHS DIRECTIVE COMPLIANCE; End Item Identification: WELDING SHOP,MARINE CORPS TACTICAL; Part Name Assigned by Controlling Agency: KIT,IGBT ASSEMBLY. 3 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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