NSN 1710-01-550-4170 · NIIN 015504170 · Part number 2056AS0321-4
Northrop Grumman Systems Corporation Div Marine Systems · FSC 1710 — Aircraft Landing Equipment · FSG 17 — Aircraft Launch, Landing, and Ground Handling Equipment · CAGE 04804
Government record, cited
NSN 1710-01-550-4170 — this item is cataloged by the U.S. Government under National Stock Number 1710-01-550-4170. Manufacturer of record part number: 2056AS0321-4.
Nearby stock numbers← 1710-01-550-4169 Valve, Isolation, Air
·
1710-01-550-4171 Suction Strainer, Ai →
Features
Tubing Assembly,failsafe — FSC 1710
2 manufacturer part numbers on file
Manufacturer of record: Northrop Grumman Systems Corporation Div Marine Systems
Identification
NSN: 1710-01-550-4170
NIIN: 015504170
FSC: 1710 — Aircraft Landing Equipment
FSG: 17 — Aircraft Launch, Landing, and Ground Handling Equipment
Primary part number: 2056AS0321-4
Manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
General Description
The Tubing Assembly,failsafe, cataloged under National Stock Number 1710-01-550-4170, is classified within Federal Supply Class 1710 (Aircraft Landing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1710-01-550-4170
Primary Part Number
2056AS0321-4
Item Name
Tubing Assembly,failsafe
FSC / FSG
1710 / 17 — Aircraft Landing Equipment
Manufacturer
Northrop Grumman Systems Corporation Div Marine Systems
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1710 — Aircraft Landing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1710-00-612-4169
1710-00-612-4169 · Item name not on file
1710-00-735-5034
1710-00-735-5034 · Item name not on file
1710-00-869-5494
1710-00-869-5494 · Item name not on file
1710-00-872-6954
BLOCK,SHEAR
1710-00-919-0542
1710-00-919-0542 · Item name not on file
1710-00-919-0543
FAIRLEAD ASSEMBLY
1710-00-919-0544
1710-00-919-0544 · Item name not on file
1710-01-695-8403
HEADER,BLOCK
Frequently Asked Questions
What is NSN 1710-01-550-4170?
NSN 1710-01-550-4170 is a Tubing Assembly,failsafe, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 1710, Aircraft Landing Equipment. Status: active.
What part numbers are listed for NSN 1710-01-550-4170?
NSN 1710-01-550-4170 has 2 manufacturer part numbers on file: 2056AS0321-4 (Northrop Grumman Systems Corporation Div Marine Systems), 2056AS0321-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 2056AS0321-4?
Key specifications for 2056AS0321-4: Special Features: RS OPEN;.500 OD,.049 WALL;STAINLESS STEEL;ASTM A269, TYPE 304, SMLS,ANNEALED. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1710-01-550-4170 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 1710-01-550-4170?
NSN 1710-01-550-4170 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.