PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6549Leadscrew

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 4920-00-874-6114 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-874-6114 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-874-6114. Primary manufacturer part number: 6549.
Features
  • Leadscrew — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Leadscrew, cataloged under National Stock Number 4920-00-874-6114, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-874-6114
Primary Part Number6549
Item NameLeadscrew
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-137-4419 INTERCHANGEABLE
Transformer,radio Frequency
5950-00-583-09096549 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5365-00-629-72737762603 INTERCHANGEABLE
Bushing,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-645-0006 INTERCHANGEABLE
Transformer,power
5905-00-989-9605 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5999-01-045-817885-22000-10000A INTERCHANGEABLE
Contact,electrical
Hoyt Corporation
5915-01-217-34128559957-1 INTERCHANGEABLE
Filter,band Pass
L3 Technologies, Inc. Div Communication Systems-East
2590-01-478-3787132115-1 INTERCHANGEABLE
Filler Neck,vehicular Components
Alliance Laser Inc
6515-01-562-6053PA310 INTERCHANGEABLE
Brush,cleaning,bur
Medtronic Powered Surgical Solutions Dba Medtronic Mitas Rex
Cross-Reference Index
Part NumberManufacturer
6549 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
6549 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
Related Parts
5950-00-137-4419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5950-00-583-0909INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6549
5365-00-629-7273INTERCHANGEABLE
BUSHING,NONMETALLIC
7762603
5950-00-645-0006INTERCHANGEABLE
TRANSFORMER,POWER
5905-00-989-9605INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5999-01-045-8178INTERCHANGEABLE
CONTACT,ELECTRICAL
85-22000-10000A
5915-01-217-3412INTERCHANGEABLE
FILTER,BAND PASS
8559957-1
2590-01-478-3787INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
132115-1
6515-01-562-6053INTERCHANGEABLE
BRUSH,CLEANING,BUR
PA310

Frequently Asked Questions

What is NSN 4920-00-874-6114?

NSN 4920-00-874-6114 is a Leadscrew, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-874-6114?

NSN 4920-00-874-6114 has 2 cross-referenced part numbers: 6549 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 6549 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).

What NSN replaces 4920-00-874-6114?

There are 9 known substitutes for 4920-00-874-6114: 5950-00-137-4419, 5950-00-583-0909, 5365-00-629-7273 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6549?

Key specifications for 6549: End Item Identification: USED ON NO. 6450 MEASURING SYSTEMBORESIGHT ERROR. 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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