NSN 5120-01-678-8166 · NIIN 016788166 · Part number 9S-1711
Caterpillar Inc Div Caterpillar Defense · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 11083
Government record, cited
NSN 5120-01-678-8166 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-678-8166. Manufacturer of record part number: 9S-1711.
Also searched as5120-01-678-8166 ·
5120016788166 ·
NIIN 016788166 ·
01-678-8166 ·
FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 11083 · 9S-1711
Drive Surface Size: 0.2500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size: 0.1875 INCHES NOMINAL SINGLE END IN
Style Designator: INTERNAL-INTERNAL
Drive End Shape: SQUARE SINGLE END INTERNAL
Surface Treatment: CHROMIUM OVERALL
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5120-01-678-8166
NIIN: 016788166
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: 9S-1711
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Socket,socket Wrench, cataloged under National Stock Number 5120-01-678-8166, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642
ADAPTER,TORQUE WRENCH
5120-00-001-2644
ADAPTER,TORQUE WRENCH
5120-00-001-2650
INSERTER,SEAL
5120-00-001-2651
5120-00-001-2651 · Item name not on file
5120-00-001-2652
INSTALLING TOOL,SHAFT
5120-00-001-2653
REMOVER,PREFORMED PACKING
5120-00-001-2654
REMOVER,PREFORMED PACKING
5120-00-001-2655
SOCKET,WRENCH,FACE SPANNER
Frequently Asked Questions
What is NSN 5120-01-678-8166?
NSN 5120-01-678-8166 is a Socket,socket Wrench, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
What part numbers are listed for NSN 5120-01-678-8166?
NSN 5120-01-678-8166 has 1 manufacturer part number on file: 9S-1711 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 9S-1711?
Key specifications for 9S-1711: Drive Surface Size: 0.2500 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.1875 INCHES NOMINAL SINGLE END IN; Style Designator: INTERNAL-INTERNAL; Drive End Shape: SQUARE SINGLE END INTERNAL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5120-01-678-8166 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.