PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B611Fan Assy,cooling

Lockheed Martin Corporation Div Rms - Manassas · NSN 4140-01-486-5837 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-486-5837 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-486-5837. Primary manufacturer part number: B611.
Features
  • Fan Assy,cooling — FSC 4140
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Manassas
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fan Assy,cooling, cataloged under National Stock Number 4140-01-486-5837, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-486-5837
Primary Part NumberB611
Item NameFan Assy,cooling
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Manassas
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-287-6301A307-3 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5365-00-585-9835B6-11 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
5365-00-928-380711588659-1 INTERCHANGEABLE
Spacer,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5996-01-292-818222469 INTERCHANGEABLE
Amplifier,magnetic
Kurz & Root Generator Company, Llc
5120-01-369-1058B-611 INTERCHANGEABLE
Socket,socket Wrench
Williams J H Industrial Products Inc
Cross-Reference Index
Part NumberManufacturer
B611 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
7420066-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
B611 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
3120-00-287-6301INTERCHANGEABLE
BEARING,SLEEVE
A307-3
5365-00-585-9835INTERCHANGEABLE
SPACER,SLEEVE
B6-11
5365-00-928-3807INTERCHANGEABLE
SPACER,SLEEVE
11588659-1
5996-01-292-8182INTERCHANGEABLE
AMPLIFIER,MAGNETIC
22469
5120-01-369-1058INTERCHANGEABLE
SOCKET,SOCKET WRENCH
B-611

Frequently Asked Questions

What is NSN 4140-01-486-5837?

NSN 4140-01-486-5837 is a Fan Assy,cooling, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-486-5837?

NSN 4140-01-486-5837 has 3 cross-referenced part numbers: B611 (Lockheed Martin Corporation Div Rms - Manassas), 7420066-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), B611 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 4140-01-486-5837?

There are 5 known substitutes for 4140-01-486-5837: 3120-00-287-6301, 5365-00-585-9835, 5365-00-928-3807 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B611?

Key specifications for B611: End Item Identification: OJ-719(V)11/U AWS DDG91&UP(7380868-1), CNSL,C&D;OJ-719(V)11/U AWS DDG91&UP (7380868-2), CNSL, C&D;OJ-719(V) W/O ADU 730868-3 DDG79&80, CONSOLE, C&D;OJ-719(V) W/ADU 730868-4 DDG79&80, CONSOLE,C&D;AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE;AN/SQQ-89(V) 15 UNIT 830,OJ-719(V) C&D CONSOLE;AN/SQQ-89(V)15 UNIT 831, OJ-719(V) C&D CONSOLE;AN/SQQ-89(V)15 UNIT 832,OJ-719(V)C&D CONSOLE;AN/SQQ-89(V)15 UNIT 833,OJ-719(V)C&D CONSOLE;AN/SQQ-89(V)15 UNIT 834, OJ-719(V) C&D CONSOLE. 1 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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