NSN 5120-01-656-0111 · NIIN 016560111 · Part number 7122A56
Mcmaster-Carr Supply Co · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 39428
Government record, cited
NSN 5120-01-656-0111 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-656-0111. Manufacturer of record part number: 7122A56.
Also searched as5120-01-656-0111 ·
5120016560111 ·
NIIN 016560111 ·
01-656-0111 ·
FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 39428 · 7122A56
Nearby stock numbers← 5120-01-656-0038 Wrench, Box
·
5120-01-656-0346 Wrench, Box and Open End, Combinat →
Features
Key,socket Head Screw — FSC 5120
Short Arm Length: 1.938 INCHES NOMINAL IN
Wrenching Surface Size: 0.625 INCHES NOMINAL BOTH ENDS IN
Style Designator: L-HANDLE
Long Arm Length: 9.813 INCHES NOMINAL IN
Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
Surface Treatment: OXIDE OVERALL
Material: STEEL OVERALL
Identification
NSN: 5120-01-656-0111
NIIN: 016560111
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: 7122A56
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Key,socket Head Screw, cataloged under National Stock Number 5120-01-656-0111, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 7 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 5120-01-656-0111?
NSN 5120-01-656-0111 is a Key,socket Head Screw, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
What part numbers are listed for NSN 5120-01-656-0111?
NSN 5120-01-656-0111 has 1 manufacturer part number on file: 7122A56 (Mcmaster-Carr Supply Co).
What are the specifications of 7122A56?
Key specifications for 7122A56: Short Arm Length: 1.938 INCHES NOMINAL IN; Wrenching Surface Size: 0.625 INCHES NOMINAL BOTH ENDS IN; Style Designator: L-HANDLE; Overall Length: 10.438 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5120-01-656-0111 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.