PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3374-1Boom,hoisting,marine

Trumpy John and Sons Inc · NSN 2020-00-584-3418 · FSC 2020 · No Item Name Available
Verified by PartsTable
NSN 2020-00-584-3418 — this item is cataloged by the U.S. Government under National Stock Number 2020-00-584-3418. Primary manufacturer part number: 3374-1.
Features
  • Boom,hoisting,marine — FSC 2020
  • Load Rating: 2.000 TONS MAXIMUM
  • Material: ALUMINUM ALLOY
  • Largest Diameter: 4.000 INCHES NOMINAL IN
  • Design Type: FIXED LENGTH
  • Structural Form: TUBULAR
  • Furnished Hardware: 1 CLAMP,2 DAVIT HEADS,1 LOWER DAVIT BEARING,1 UPPER DAVIT BEARING
  • 1 verified cross-reference
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Boom,hoisting,marine, cataloged under National Stock Number 2020-00-584-3418, is classified within Federal Supply Class 2020 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Trumpy John and Sons Inc. Government technical data includes 6 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2020-00-584-3418
Primary Part Number3374-1
Item NameBoom,hoisting,marine
FSC / FSG2020 / 20 — No Item Name Available
ManufacturerTrumpy John and Sons Inc
StatusACTIVE
Load Rating2.000 TONS MAXIMUM
MaterialALUMINUM ALLOY
Largest Diameter4.000 INCHES NOMINAL IN
Design TypeFIXED LENGTH
Structural FormTUBULAR
Furnished Hardware1 CLAMP,2 DAVIT HEADS,1 LOWER DAVIT BEARING,1 UPPER DAVIT BEARING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5365-00-737-48021188661 INTERCHANGEABLE
Spacer,sleeve
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-00-765-156833735 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5310-01-564-383433741 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
3374-1 Trumpy John and Sons Inc (USA)
Related Parts
5365-00-737-4802INTERCHANGEABLE
SPACER,SLEEVE
1188661
5330-00-765-1568INTERCHANGEABLE
SEAL,PLAIN ENCASED
33735
5310-01-564-3834INTERCHANGEABLE
WASHER,LOCK
33741

Frequently Asked Questions

What is NSN 2020-00-584-3418?

NSN 2020-00-584-3418 is a Boom,hoisting,marine, manufactured by Trumpy John and Sons Inc, classified under FSC 2020 (No Item Name Available). Status: active.

What are the part numbers for NSN 2020-00-584-3418?

NSN 2020-00-584-3418 has 1 cross-referenced part number: 3374-1 (Trumpy John and Sons Inc).

What NSN replaces 2020-00-584-3418?

There are 3 known substitutes for 2020-00-584-3418: 5365-00-737-4802, 5330-00-765-1568, 5310-01-564-3834. Verify interchangeability with system specifications before substitution.

What are the specifications of 3374-1?

Key specifications for 3374-1: Special Features: NONMAGNETIC; Load Rating: 2.000 TONS MAXIMUM; Material: ALUMINUM ALLOY; Largest Diameter: 4.000 INCHES NOMINAL IN. 8 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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