NSN 5120-01-620-1004 · NIIN 016201004 · Part number T183966
G R Mfg · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 1BVQ2
Government record, cited
NSN 5120-01-620-1004 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-620-1004. Manufacturer of record part number: T183966.
Also searched as5120-01-620-1004 ·
5120016201004 ·
NIIN 016201004 ·
01-620-1004 ·
FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 1BVQ2 · T183966
Wrenching Surface Size: 3.020 INCHES NOMINAL FIRST END IN
Style Designator: SINGLE HEAD
Material: STEEL OVERALL
1 manufacturer part number on file
Manufacturer of record: G R Mfg
Identification
NSN: 5120-01-620-1004
NIIN: 016201004
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: T183966
Manufacturer: G R Mfg
General Description
The Wrench,open End, cataloged under National Stock Number 5120-01-620-1004, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is G R Mfg. Government technical data includes 3 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 5120-01-620-1004?
NSN 5120-01-620-1004 is a Wrench,open End, manufactured by G R Mfg, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
What part numbers are listed for NSN 5120-01-620-1004?
NSN 5120-01-620-1004 has 1 manufacturer part number on file: T183966 (G R Mfg).
What are the specifications of T183966?
Key specifications for T183966: Wrenching Surface Size: 3.020 INCHES NOMINAL FIRST END IN; Style Designator: SINGLE HEAD; Overall Length: 12.000 INCHES NOMINAL IN; End Item Identification: 3815-01-597-5671. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5120-01-620-1004 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.