PartsTable TECHNICAL DATA SHEET
NSN 1680-01-629-3780Government record, cited

Spacer, Mount1680-01-629-3780

NSN 1680-01-629-3780 · NIIN 016293780 · Part number 300A456-1
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 03640
Government record, cited
NSN 1680-01-629-3780 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-629-3780. Manufacturer of record part number: 300A456-1.
Also searched as  1680-01-629-3780 · 1680016293780 · NIIN 016293780 · 01-629-3780 · FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 03640 · 300A456-1
Nearby stock numbers  ·
Features
  • Spacer,mount — FSC 1680
  • 1 manufacturer part number on file
  • Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
  • NSN: 1680-01-629-3780
  • NIIN: 016293780
  • FSC: 1680 — Miscellaneous Aircraft Accessories and Components
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 300A456-1
  • Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description

The Spacer,mount, cataloged under National Stock Number 1680-01-629-3780, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-01-629-3780
Primary Part Number300A456-1
Item NameSpacer,mount
FSC / FSG1680 / 16 — Miscellaneous Aircraft Accessories and Components
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
300A456-1 PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
No interchangeability data on file.
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G

Frequently Asked Questions

What is NSN 1680-01-629-3780?

NSN 1680-01-629-3780 is a Spacer,mount, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.

What part numbers are listed for NSN 1680-01-629-3780?

NSN 1680-01-629-3780 has 1 manufacturer part number on file: 300A456-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).

What are the specifications of 300A456-1?

Key specifications for 300A456-1: Special Features: NHA;DVR TRAY ASSEMBLY; Part Name Assigned by Controlling Agency: SPACER,MOUNT BLOCK; End Item Identification: MTS FLIR SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1680-01-629-3780 hazardous material?

No hazard code in the DLA record (HMIC N). 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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com