PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400001Case Machining

Aerosonic Llc · NSN 6645-01-272-6769 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-272-6769 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-272-6769. Primary manufacturer part number: 400001.
Features
  • Case Machining — FSC 6645
  • 2 verified cross-references
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Case Machining, cataloged under National Stock Number 6645-01-272-6769, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aerosonic Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCase Machining
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersMacleod Instrument Corp (CAGE 11824); Aerosonic Llc (CAGE 98810)
Technical Specifications
ParameterValue
NSN6645-01-272-6769
Primary Part Number400001
Item NameCase Machining
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5325-00-282-6336400001 INTERCHANGEABLE
Ring,retaining
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5930-00-296-961712Z7903-12 INTERCHANGEABLE
Adapter,switch Actuator
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6220-00-948-046640-0001-1 INTERCHANGEABLE
Light,navigational,aircraft
Grimes Aerospace Company
5815-01-017-8724400001 INTERCHANGEABLE
Print Head Assembly
Telemechanics Inc
5910-01-064-6766 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5950-01-105-3546400001 INTERCHANGEABLE
Reactor
Dictaphone Corporation
5999-01-447-2452400001 INTERCHANGEABLE
Panel,radio Frequency-Electromag
Caes Systems Llc
6640-01-464-4614400-001 INTERCHANGEABLE
Bag,gas Sampling
Airmetrics
6520-01-514-6649400001 INTERCHANGEABLE
CPU Board for Almagamator
Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division
6515-01-576-007540-0001 INTERCHANGEABLE
Fixation Plate,spinal Surgery
Blackstone Medical, Inc.
Cross-Reference Index
Part NumberManufacturer
400001 Macleod Instrument Corp (USA)
400001 PRIMARY Aerosonic Llc (USA)
Related Parts
5325-00-282-6336INTERCHANGEABLE
RING,RETAINING
400001
5930-00-296-9617INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
12Z7903-12
6220-00-948-0466INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
40-0001-1
5815-01-017-8724INTERCHANGEABLE
PRINT HEAD ASSEMBLY
400001
5910-01-064-6766INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5950-01-105-3546INTERCHANGEABLE
REACTOR
400001
5999-01-447-2452INTERCHANGEABLE
PANEL,RADIO FREQUENCY-ELECTROMAG
400001
6640-01-464-4614INTERCHANGEABLE
BAG,GAS SAMPLING
400-001
6520-01-514-6649INTERCHANGEABLE
CPU BOARD FOR ALMAGAMATOR
400001
6515-01-576-0075INTERCHANGEABLE
FIXATION PLATE,SPINAL SURGERY
40-0001
4930-01-611-2565INTERCHANGEABLE
FRAME,HOSE REEL
400-001

Frequently Asked Questions

What is NSN 6645-01-272-6769?

NSN 6645-01-272-6769 is a Case Machining, manufactured by Aerosonic Llc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-272-6769?

NSN 6645-01-272-6769 has 2 cross-referenced part numbers: 400001 (Macleod Instrument Corp), 400001 (Aerosonic Llc).

What NSN replaces 6645-01-272-6769?

There are 11 known substitutes for 6645-01-272-6769: 5325-00-282-6336, 5930-00-296-9617, 6220-00-948-0466 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com