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NSN 5340-01-414-9446Government record, cited
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Clamp, Block5340-01-414-9446

NSN 5340-01-414-9446 · NIIN 014149446 · Part number C3499-36-556
The Boeing Company · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 8V613
Government record, cited
NSN 5340-01-414-9446 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-414-9446. Manufacturer of record part number: C3499-36-556.
Also searched as  5340-01-414-9446 · 5340014149446 · NIIN 014149446 · 01-414-9446 · FSC 5340 Hardware, Commercial · CAGE 8V613 · C3499-36-556
Nearby stock numbers  ·
Features
  • Clamp,block — FSC 5340
  • 1 manufacturer part number on file
  • Manufacturer of record: The Boeing Company
Identification
  • NSN: 5340-01-414-9446
  • NIIN: 014149446
  • FSC: 5340 — Hardware, Commercial
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: C3499-36-556
  • Manufacturer: The Boeing Company
General Description

The Clamp,block, cataloged under National Stock Number 5340-01-414-9446, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-01-414-9446
Primary Part NumberC3499-36-556
Item NameClamp,block
FSC / FSG5340 / 53 — Hardware, Commercial
ManufacturerThe Boeing Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
C3499-36-556 PRIMARY The Boeing Company (USA)
Reference documents
ReferenceMeaning
C3499-36-556 5/9 Secondary reference
Mcdonnell Douglas Helicopter Co Inc
No interchangeability data on file.
Other items in FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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COVER,ACCESS
5340-00-000-0132
SEAT,HELICAL COMPRESSION SPRING
5340-00-000-8150
5340-00-000-8150 · Item name not on file
5340-00-001-1251
5340-00-001-1251 · Item name not on file
5340-00-001-1264
STRAP,WEBBING
5340-00-001-1265
STRAP,WEBBING
5340-00-001-1266
STRAP,WEBBING
5340-00-001-1275
HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-414-9446?

NSN 5340-01-414-9446 is a Clamp,block, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-414-9446?

NSN 5340-01-414-9446 has 1 manufacturer part number on file: C3499-36-556 (The Boeing Company).

What are the specifications of C3499-36-556?

Key specifications for C3499-36-556: End Item Identification: F 18 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-414-9446 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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