PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37318Boss Assembly,gearbox Duct

Williams International Co., L.l.c. · NSN 2840-01-158-5873 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-158-5873 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-158-5873. Primary manufacturer part number: 37318.
Features
  • Boss Assembly,gearbox Duct — FSC 2840
  • General Characteristics Item Description: WELD PER P2560 USING 19-204,ER 347,PENETRANT INSPECT PER P6001,10 HOLES
  • 2 verified cross-references
  • Primary manufacturer: Williams International Co., L.l.c.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Boss Assembly,gearbox Duct, cataloged under National Stock Number 2840-01-158-5873, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN2840-01-158-5873
Primary Part Number37318
Item NameBoss Assembly,gearbox Duct
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
General Characteristics Item DescriptionWELD PER P2560 USING 19-204,ER 347,PENETRANT INSPECT PER P6001,10 HOLES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-998-1539352-0611-020 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6350-01-522-9372104256 INTERCHANGEABLE
Security Inspection Unit,x-Ray
Science Applications International Corporation Dba Saic
5310-01-597-591412759-01291 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
37318 Parts Life Inc (USA)
37318 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
5961-00-998-1539INTERCHANGEABLE
TRANSISTOR
352-0611-020
6350-01-522-9372INTERCHANGEABLE
SECURITY INSPECTION UNIT,X-RAY
104256
5310-01-597-5914INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
12759-01291

Frequently Asked Questions

What is NSN 2840-01-158-5873?

NSN 2840-01-158-5873 is a Boss Assembly,gearbox Duct, manufactured by Williams International Co., L.l.c., classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-158-5873?

NSN 2840-01-158-5873 has 2 cross-referenced part numbers: 37318 (Parts Life Inc), 37318 (Williams International Co., L.l.c.).

What NSN replaces 2840-01-158-5873?

There are 3 known substitutes for 2840-01-158-5873: 5961-00-998-1539, 6350-01-522-9372, 5310-01-597-5914. Verify interchangeability with system specifications before substitution.

What are the specifications of 37318?

Key specifications for 37318: End Item Identification: ACFT ENG F107-101; General Characteristics Item Description: WELD PER P2560 USING 19-204,ER 347,PENETRANT INSPECT PER P6001,10 HOLES. 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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