NSN 1720-00-397-7622 · NIIN 003977622 · Part number 20356
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems · FSC 1720 — Aircraft Launching Equipment · FSG 17 — Aircraft Launch, Landing, and Ground Handling Equipment · CAGE 77646
Government record, cited
NSN 1720-00-397-7622 — this item is cataloged by the U.S. Government under National Stock Number 1720-00-397-7622. Manufacturer of record part number: 20356.
Nearby stock numbers← 1720-00-397-7619
·
1720-00-397-7665 Car Assembly, Rotary →
Features
Box Assembly — FSC 1720
2 manufacturer part numbers on file
Manufacturer of record: Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
Identification
NSN: 1720-00-397-7622
NIIN: 003977622
FSC: 1720 — Aircraft Launching Equipment
FSG: 17 — Aircraft Launch, Landing, and Ground Handling Equipment
Primary part number: 20356
Manufacturer: Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
General Description
The Box Assembly, cataloged under National Stock Number 1720-00-397-7622, is classified within Federal Supply Class 1720 (Aircraft Launching Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Box Assembly
FSC / FSG
1720 — Aircraft Launching Equipment (FSG 17)
Manufacturers
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (CAGE 77646); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06892)
Technical Specifications
Parameter
Value
NSN
1720-00-397-7622
Primary Part Number
20356
Item Name
Box Assembly
FSC / FSG
1720 / 17 — Aircraft Launching Equipment
Manufacturer
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5950-01-032-489320356POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Torotel, Inc. Div Torotel Products, Inc.
4820-01-146-7912A12493-001-103POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-249-6854A14124.001.156POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5340-01-249-689313114001156POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6625-01-515-800031-20356-01POSSIBLE MATCH
SHIELD,TEST
Possible match (shared part number)Acterna Llc Dba Jdsu
6515-01-536-962420-356POSSIBLE MATCH
PROBE,LACHRYMAL
Possible match (shared part number)Hu-Friedy Mfg. Co., Llc
6515-01-590-6157412852POSSIBLE MATCH
CASE,OTOSCOPE AND OPHTHALMOSCOPE
Possible match (shared part number)Welch Allyn, Inc.
9150-01-690-270520356POSSIBLE MATCH
BRAKE FLUID,AUTOMOTIVE
Possible match (shared part number)Permatex, Inc. Div Itw Permatex
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5950-01-032-4893POSSIBLE MATCH
TRANSFORMER,POWER
20356
4820-01-146-7912POSSIBLE MATCH
GUIDE,VALVE STEM
A12493-001-103
4820-01-249-6854POSSIBLE MATCH
STEM,FLUID VALVE
A14124.001.156
5340-01-249-6893POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
13114001156
6625-01-515-8000POSSIBLE MATCH
SHIELD,TEST
31-20356-01
6515-01-536-9624POSSIBLE MATCH
PROBE,LACHRYMAL
20-356
6515-01-590-6157POSSIBLE MATCH
CASE,OTOSCOPE AND OPHTHALMOSCOPE
412852
9150-01-690-2705POSSIBLE MATCH
BRAKE FLUID,AUTOMOTIVE
20356
Frequently Asked Questions
What is NSN 1720-00-397-7622?
NSN 1720-00-397-7622 is a Box Assembly, manufactured by Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
What part numbers are listed for NSN 1720-00-397-7622?
NSN 1720-00-397-7622 has 2 manufacturer part numbers on file: 20356 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems), 20356 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
What NSN replaces 1720-00-397-7622?
8 possible matches (shared part number, not a government interchangeability claim): 5950-01-032-4893, 4820-01-146-7912, 4820-01-249-6854. Verify interchangeability with system specifications before substitution.
Is NSN 1720-00-397-7622 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1720-00-397-7622?
NSN 1720-00-397-7622 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.