PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39-9921-3Web,structural Component,aircraf

The Boeing Company Div Defense · NSN 1560-01-153-8570 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-01-153-8570 — this item is cataloged by the U.S. Government under National Stock Number 1560-01-153-8570. Primary manufacturer part number: 39-9921-3.
Features
  • Web,structural Component,aircraf — FSC 1560
  • Aircraft Mission Design Series: B-52
  • Aircraft Location: NOSE COWL
  • 1 verified cross-reference
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Web,structural Component,aircraf, cataloged under National Stock Number 1560-01-153-8570, is classified within Federal Supply Class 1560 (No Item Name Available) of the Aircraft and Airframe Components group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1560-01-153-8570
Primary Part Number39-9921-3
Item NameWeb,structural Component,aircraf
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Aircraft Mission Design SeriesB-52
Aircraft LocationNOSE COWL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-356-14473009213 INTERCHANGEABLE
Washer,lock
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
39-9921-3 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5310-00-356-1447INTERCHANGEABLE
WASHER,LOCK
3009213

Frequently Asked Questions

What is NSN 1560-01-153-8570?

NSN 1560-01-153-8570 is a Web,structural Component,aircraf, manufactured by The Boeing Company Div Defense, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-01-153-8570?

NSN 1560-01-153-8570 has 1 cross-referenced part number: 39-9921-3 (The Boeing Company Div Defense).

What NSN replaces 1560-01-153-8570?

There is 1 known substitute for 1560-01-153-8570: 5310-00-356-1447. Verify interchangeability with system specifications before substitution.

What are the specifications of 39-9921-3?

Key specifications for 39-9921-3: Aircraft Mission Design Series: B-52; Special Features: USED ON FORWARD LONGERON NO. 9; Aircraft Location: NOSE COWL. 3 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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