PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

176305Brace,door,landing Gear

Lockheed Martin Corp · NSN 1560-00-122-5005 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-122-5005 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-122-5005. Primary manufacturer part number: 176305.
Features
  • Brace,door,landing Gear — FSC 1560
  • General Characteristics Item Description: STEEL 8630,MIL-S-18728,4.725 IN. LG,1.560 IN. W,0.250 IN. THK,1 EA 0.312 IN. MIN,0.313 IN. MAX DIA HOLE,1 EA 0.189 IN. MIN,0.190 IN. MAX DIA HOLE IN
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Brace,door,landing Gear, cataloged under National Stock Number 1560-00-122-5005, is classified within Federal Supply Class 1560 (No Item Name Available) of the Aircraft and Airframe Components group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1560-00-122-5005
Primary Part Number176305
Item NameBrace,door,landing Gear
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
General Characteristics Item DescriptionSTEEL 8630,MIL-S-18728,4.725 IN. LG,1.560 IN. W,0.250 IN. THK,1 EA 0.312 IN. MIN,0.313 IN. MAX DIA HOLE,1 EA 0.189 IN. MIN,0.190 IN. MAX DIA HOLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2915-00-673-6512176305 INTERCHANGEABLE
Lining and Guide Assembly
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4820-01-509-4750176305 INTERCHANGEABLE
Valve,hold,boom Hoist Cylinder
Hampton Hydraulics, Llc
Cross-Reference Index
Part NumberManufacturer
176305 PRIMARY Lockheed Martin Corp (USA)
Related Parts
2915-00-673-6512INTERCHANGEABLE
LINING AND GUIDE ASSEMBLY
176305
4820-01-509-4750INTERCHANGEABLE
VALVE,HOLD,BOOM HOIST CYLINDER
176305

Frequently Asked Questions

What is NSN 1560-00-122-5005?

NSN 1560-00-122-5005 is a Brace,door,landing Gear, manufactured by Lockheed Martin Corp, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-00-122-5005?

NSN 1560-00-122-5005 has 1 cross-referenced part number: 176305 (Lockheed Martin Corp).

What NSN replaces 1560-00-122-5005?

There are 2 known substitutes for 1560-00-122-5005: 2915-00-673-6512, 4820-01-509-4750. Verify interchangeability with system specifications before substitution.

What are the specifications of 176305?

Key specifications for 176305: General Characteristics Item Description: STEEL 8630,MIL-S-18728,4.725 IN. LG,1.560 IN. W,0.250 IN. THK,1 EA 0.312 IN. MIN,0.313 IN. MAX DIA HOLE,1 EA 0.189 IN. MIN,0.190 IN. MAX DIA HOLE IN. 1 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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