PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1881-23Restrictor,main Landing Gear

Goodrich Corporation · NSN 1620-01-181-9841 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-01-181-9841 — this item is cataloged by the U.S. Government under National Stock Number 1620-01-181-9841. Primary manufacturer part number: 1881-23.
Features
  • Restrictor,main Landing Gear — FSC 1620
  • General Characteristics Item Description: MATL 300M STEEL PER MIL-S-8844
  • 7 verified cross-references
  • Primary manufacturer: Goodrich Corporation
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Restrictor,main Landing Gear, cataloged under National Stock Number 1620-01-181-9841, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Goodrich Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1620-01-181-9841
Primary Part Number1881-23
Item NameRestrictor,main Landing Gear
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerGoodrich Corporation
StatusACTIVE
General Characteristics Item DescriptionMATL 300M STEEL PER MIL-S-8844
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6540-00-356-600011117 INTERCHANGEABLE
Prism Bar,ophthalmic
Gulden Ophthalmics Inc.
Cross-Reference Index
Part NumberManufacturer
1881-23 PRIMARY Goodrich Corporation (USA)
1881-23 Buckeye Machining Co (USA)
1881-23 Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles (USA)
1881-23 Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA)
1881-23 Peacock Aerospace Inc (USA)
1881-23 Johnson Manufacturing, Inc. Dba Johnson Manufacturing (USA)
1881-23 Goodrich Corporation Div Advanced Structures Landing Systems (USA)
Related Parts
6540-00-356-6000INTERCHANGEABLE
PRISM BAR,OPHTHALMIC
11117

Frequently Asked Questions

What is NSN 1620-01-181-9841?

NSN 1620-01-181-9841 is a Restrictor,main Landing Gear, manufactured by Goodrich Corporation, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-01-181-9841?

NSN 1620-01-181-9841 has 7 cross-referenced part numbers: 1881-23 (Goodrich Corporation), 1881-23 (Buckeye Machining Co), 1881-23 (Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles), 1881-23 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 1881-23 (Peacock Aerospace Inc) and 2 more.

What NSN replaces 1620-01-181-9841?

There is 1 known substitute for 1620-01-181-9841: 6540-00-356-6000. Verify interchangeability with system specifications before substitution.

What are the specifications of 1881-23?

Key specifications for 1881-23: General Characteristics Item Description: MATL 300M STEEL PER MIL-S-8844; End Item Identification: AIRCRAFT B1B. 2 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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