PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B291Power Supply

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 6130-01-443-8581 · FSC 6130 · No Item Name Available
Verified by PartsTable
NSN 6130-01-443-8581 — this item is cataloged by the U.S. Government under National Stock Number 6130-01-443-8581. Primary manufacturer part number: B291.
Features
  • Power Supply — FSC 6130
  • Criticality Code Justification: FEAT
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Power Supply, cataloged under National Stock Number 6130-01-443-8581, is classified within Federal Supply Class 6130 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6130-01-443-8581
Primary Part NumberB291
Item NamePower Supply
FSC / FSG6130 / 61 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
3020-00-196-0796B29.100 60-2 INTERCHANGEABLE
Chain,roller
American National Standards Institute Incorporated Dba American National Standards Institute
5310-00-352-30854500291-2 INTERCHANGEABLE
Washer,flat
Agco Corp Parts Opn
5307-00-533-4696B291C INTERCHANGEABLE
Stud,plain
Dresser, Llc
3020-01-436-0025ASME B29.1NO.100-165FT INTERCHANGEABLE
Chain,roller
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
B291 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
7376540-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
7374785-01 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
3020-00-196-0796INTERCHANGEABLE
CHAIN,ROLLER
B29.100 60-2
5310-00-352-3085INTERCHANGEABLE
WASHER,FLAT
4500291-2
5307-00-533-4696INTERCHANGEABLE
STUD,PLAIN
B291C
3020-01-436-0025INTERCHANGEABLE
CHAIN,ROLLER
ASME B29.1NO.100-165FT

Frequently Asked Questions

What is NSN 6130-01-443-8581?

NSN 6130-01-443-8581 is a Power Supply, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 6130 (No Item Name Available). Status: active.

What are the part numbers for NSN 6130-01-443-8581?

NSN 6130-01-443-8581 has 3 cross-referenced part numbers: B291 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 7376540-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 7374785-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 6130-01-443-8581?

There are 4 known substitutes for 6130-01-443-8581: 3020-00-196-0796, 5310-00-352-3085, 5307-00-533-4696 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B291?

Key specifications for B291: Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; End Item Identification: AN/UYQ-70(V); Criticality Code Justification: FEAT. 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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