PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40207Assembly,external F

Hdt Expeditionary Systems Inc · NSN 4520-01-539-7200 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-539-7200 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-539-7200. Primary manufacturer part number: 40207.
Features
  • Assembly,external F — FSC 4520
  • 1 verified cross-reference
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Assembly,external F, cataloged under National Stock Number 4520-01-539-7200, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameAssembly,external F
FSC / FSG4520 — No Item Name Available (FSG 45)
ManufacturersHdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN4520-01-539-7200
Primary Part Number40207
Item NameAssembly,external F
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5977-00-041-589740207-1 INTERCHANGEABLE
Ring,electrical Contact
Fisica Applied Technologies, Inc. Div Datron Advanced Technologies
5136-00-189-3197402076 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
4820-00-306-143540207 INTERCHANGEABLE
Valve,flow Control
Northrop Grumman Systems Corporation Div Marine Systems
5325-00-364-2944 INTERCHANGEABLE
Insert,screw Thread
5945-00-552-370933AHSX1 INTERCHANGEABLE
Relay,electromagnetic
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
1630-01-250-9858040-20700-1 INTERCHANGEABLE
Wheel,tail
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5995-01-341-48614-020-7 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Advanced Circuit Systems Inc
6110-01-372-8893402-07-1 INTERCHANGEABLE
Push Switch
Hose-Mccann Telephone Co, Inc
4220-01-388-1867402-07 INTERCHANGEABLE
Sling,rescue Equipment
Lifesaving Systems Llc
6530-01-519-4943 INTERCHANGEABLE
Pad,head Support,extrication
Cross-Reference Index
Part NumberManufacturer
40207 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5977-00-041-5897INTERCHANGEABLE
RING,ELECTRICAL CONTACT
40207-1
5136-00-189-3197INTERCHANGEABLE
DIE,THREAD CUTTING
402076
4820-00-306-1435INTERCHANGEABLE
VALVE,FLOW CONTROL
40207
5325-00-364-2944INTERCHANGEABLE
INSERT,SCREW THREAD
5945-00-552-3709INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
33AHSX1
1630-01-250-9858INTERCHANGEABLE
WHEEL,TAIL
040-20700-1
5995-01-341-4861INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
4-020-7
6110-01-372-8893INTERCHANGEABLE
PUSH SWITCH
402-07-1
4220-01-388-1867INTERCHANGEABLE
SLING,RESCUE EQUIPMENT
402-07
6530-01-519-4943INTERCHANGEABLE
PAD,HEAD SUPPORT,EXTRICATION
6350-01-523-1252INTERCHANGEABLE
ALARM-MONITOR
40207

Frequently Asked Questions

What is NSN 4520-01-539-7200?

NSN 4520-01-539-7200 is a Assembly,external F, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-539-7200?

NSN 4520-01-539-7200 has 1 cross-referenced part number: 40207 (Hdt Expeditionary Systems Inc).

What NSN replaces 4520-01-539-7200?

There are 11 known substitutes for 4520-01-539-7200: 5977-00-041-5897, 5136-00-189-3197, 4820-00-306-1435 and 8 more. Verify interchangeability with system specifications before substitution.

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