PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42/511Bottom Fork

Didsbury Engineering · NSN 1730-01-444-3876 · FSC 1730 · No Item Name Available
Verified by PartsTable
NSN 1730-01-444-3876 — this item is cataloged by the U.S. Government under National Stock Number 1730-01-444-3876. Primary manufacturer part number: 42/511.
Features
  • Bottom Fork — FSC 1730
  • Material: STEEL
  • Surface Treatment: ZINC
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Didsbury Engineering
Applications
  • Applications requiring Steel construction
General Description

The Bottom Fork, cataloged under National Stock Number 1730-01-444-3876, is classified within Federal Supply Class 1730 (No Item Name Available) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The primary manufacturer of record is Didsbury Engineering. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1730-01-444-3876
Primary Part Number42/511
Item NameBottom Fork
FSC / FSG1730 / 17 — No Item Name Available
ManufacturerDidsbury Engineering
StatusACTIVE
MaterialSTEEL
Surface TreatmentZINC
Overall Diameter1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-167-5224 INTERCHANGEABLE
Nut,self-Locking,assembled Washe
5950-00-532-3247SM-C-2001898 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-00-878-6659SM-A-544894 INTERCHANGEABLE
Shielding Gasket,electronic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1680-00-986-3489 INTERCHANGEABLE
Seat,aircraft
6680-01-208-564342511 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5950-01-279-809361709-205 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
5310-01-308-458842511 INTERCHANGEABLE
Nut,plate
Mirion Technologies (canberra), Inc.
3040-01-377-7071010-9039-H ITEM 28 INTERCHANGEABLE
Connecting Link,rigid
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
42/511 Didsbury Engineering (USA)
A3/42/511 Didsbury Engineering (USA)
Related Parts
5310-00-167-5224INTERCHANGEABLE
NUT,SELF-LOCKING,ASSEMBLED WASHE
5950-00-532-3247INTERCHANGEABLE
TRANSFORMER,POWER
SM-C-2001898
5999-00-878-6659INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
SM-A-544894
1680-00-986-3489INTERCHANGEABLE
SEAT,AIRCRAFT
6680-01-208-5643INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
42511
5950-01-279-8093INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61709-205
5310-01-308-4588INTERCHANGEABLE
NUT,PLATE
42511
3040-01-377-7071INTERCHANGEABLE
CONNECTING LINK,RIGID
010-9039-H ITEM 28

Frequently Asked Questions

What is NSN 1730-01-444-3876?

NSN 1730-01-444-3876 is a Bottom Fork, manufactured by Didsbury Engineering, classified under FSC 1730 (No Item Name Available). Status: active.

What are the part numbers for NSN 1730-01-444-3876?

NSN 1730-01-444-3876 has 2 cross-referenced part numbers: 42/511 (Didsbury Engineering), A3/42/511 (Didsbury Engineering).

What NSN replaces 1730-01-444-3876?

There are 8 known substitutes for 1730-01-444-3876: 5310-00-167-5224, 5950-00-532-3247, 5999-00-878-6659 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42/511?

Key specifications for 42/511: Overall Length: 1.800 INCHES NOMINAL IN; End Item Identification: JOINT STARS PROGRAM.; Material: STEEL; Surface Treatment: ZINC. 6 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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