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NSN 5120-01-650-4873Government record, cited

Crowfoot Attachment, Socket Wrenc5120-01-650-4873

NSN 5120-01-650-4873 · NIIN 016504873 · Part number MTSC50MM
Midstate Tool and Mfg · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 0WC53
Government record, cited
NSN 5120-01-650-4873 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-650-4873. Manufacturer of record part number: MTSC50MM.
Also searched as  5120-01-650-4873 · 5120016504873 · NIIN 016504873 · 01-650-4873 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 0WC53 · MTSC50MM · SC50MM
Nearby stock numbers  ·
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 50.0 MILLIMETERS NOMINAL FIRST END MM
  • Style Designator: FLARE NUT
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
Identification
  • NSN: 5120-01-650-4873
  • NIIN: 016504873
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: MTSC50MM
  • Manufacturer: Midstate Tool and Mfg
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-650-4873, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Midstate Tool and Mfg. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-650-4873
Primary Part NumberMTSC50MM
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerMidstate Tool and Mfg
StatusACTIVE
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size50.0 MILLIMETERS NOMINAL FIRST END MM
Style DesignatorFLARE NUT
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Head Thickness1.094 INCHES NOMINAL IN
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
MTSC50MM PRIMARY Midstate Tool and Mfg (USA)
MTSC50MM Naval Undersea Warfare Ctr (USA)
SC50MM Martin Sprocket and Gear Inc (USA)
No interchangeability data on file.
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 5120-01-650-4873?

NSN 5120-01-650-4873 is a Crowfoot Attachment,socket Wrenc, manufactured by Midstate Tool and Mfg, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-650-4873?

NSN 5120-01-650-4873 has 3 manufacturer part numbers on file: MTSC50MM (Midstate Tool and Mfg), MTSC50MM (Naval Undersea Warfare Ctr), SC50MM (Martin Sprocket and Gear Inc).

What are the specifications of MTSC50MM?

Key specifications for MTSC50MM: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 50.0 MILLIMETERS NOMINAL FIRST END MM; Style Designator: FLARE NUT; Overall Width: 2.766 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-650-4873 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.
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