PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

555-6Gearshaft,spur

Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc · NSN 3040-00-671-6325 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-671-6325 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-671-6325. Primary manufacturer part number: 555-6.
Features
  • Gearshaft,spur — FSC 3040
  • 4 verified cross-references
  • Primary manufacturer: Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-00-671-6325, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGearshaft,spur
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersAlliant Defense Electronics Systems Inc Dba Lundy Technical Center (CAGE 93712); Kilgore Flares Company Llc (CAGE 75324); Alliant Defense Electronics Systems Inc (CAGE 55180); Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (CAGE 48ZY0)
Technical Specifications
ParameterValue
NSN3040-00-671-6325
Primary Part Number555-6
Item NameGearshaft,spur
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerMas Components & Coatings, Llc Dba Mas Components & Coatings Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5996-00-056-26492269690 INTERCHANGEABLE
Amplifier,magnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6130-00-145-6101374334-1 INTERCHANGEABLE
Power Supply
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
4720-00-352-5594 INTERCHANGEABLE
Hose Assembly,nonmetallic
5305-00-582-849115X485 INTERCHANGEABLE
Screw,machine
Napco International Llc Dba Napco International Inc
5950-00-648-5323 INTERCHANGEABLE
Transformer,power
3439-00-803-9500AWSA5.10-80 ER5556 0.047 1LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-01-013-3236AWSA5.10-69 ER5556 0.125 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
5930-01-279-43635556 INTERCHANGEABLE
Switch,electrical
Talk-a-Phone Co
5120-01-399-9698 INTERCHANGEABLE
Socket,socket Wrench
6515-01-561-4600KLTD205 INTERCHANGEABLE
Airway,supraglottic
King Systems Corporation Dba Foreign Parent Is Ambu A/s, Ballerup, Denmark. Div King Systems a Subsidiary of Ambu Inc S a
Cross-Reference Index
Part NumberManufacturer
555-6 Alliant Defense Electronics Systems Inc Dba Lundy Technical Center (USA)
555-6 Kilgore Flares Company Llc (USA)
555-6 Alliant Defense Electronics Systems Inc (USA)
555-6 PRIMARY Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA)
Related Parts
5996-00-056-2649INTERCHANGEABLE
AMPLIFIER,MAGNETIC
2269690
6130-00-145-6101INTERCHANGEABLE
POWER SUPPLY
374334-1
4720-00-352-5594INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5305-00-582-8491INTERCHANGEABLE
SCREW,MACHINE
15X485
5950-00-648-5323INTERCHANGEABLE
TRANSFORMER,POWER
3439-00-803-9500INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.10-80 ER5556 0.047 1LB
3439-01-013-3236INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.10-69 ER5556 0.125
5930-01-279-4363INTERCHANGEABLE
SWITCH,ELECTRICAL
5556
5120-01-399-9698INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6515-01-561-4600INTERCHANGEABLE
AIRWAY,SUPRAGLOTTIC
KLTD205

Frequently Asked Questions

What is NSN 3040-00-671-6325?

NSN 3040-00-671-6325 is a Gearshaft,spur, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-671-6325?

NSN 3040-00-671-6325 has 4 cross-referenced part numbers: 555-6 (Alliant Defense Electronics Systems Inc Dba Lundy Technical Center), 555-6 (Kilgore Flares Company Llc), 555-6 (Alliant Defense Electronics Systems Inc), 555-6 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).

What NSN replaces 3040-00-671-6325?

There are 10 known substitutes for 3040-00-671-6325: 5996-00-056-2649, 6130-00-145-6101, 4720-00-352-5594 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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