PartsTable TECHNICAL DATA SHEET
NSN 5120-01-583-8404Government record, cited

Crowfoot Attachment, Socket Wrenc5120-01-583-8404

NSN 5120-01-583-8404 · NIIN 015838404 · Part number ADCF8
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 55719
Government record, cited
NSN 5120-01-583-8404 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-583-8404. Manufacturer of record part number: ADCF8.
Also searched as  5120-01-583-8404 · 5120015838404 · NIIN 015838404 · 01-583-8404 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 55719 · ADCF8 · 40068943
Nearby stock numbers  ·
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 1.140 INCHES MAXIMUM SINGLE END IN
  • Style Designator: OPEN END
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
Identification
  • NSN: 5120-01-583-8404
  • NIIN: 015838404
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: ADCF8
  • Manufacturer: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-583-8404, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 7 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
NSN5120-01-583-8404
Primary Part NumberADCF8
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size1.140 INCHES MAXIMUM SINGLE END IN
Style DesignatorOPEN END
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
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
ADCF8 Rolls-Royce Plc Naval Marine (GBR)
ADCF8 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
40068943 Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR)
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 5120-01-583-8404?

NSN 5120-01-583-8404 is a Crowfoot Attachment,socket Wrenc, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-583-8404?

NSN 5120-01-583-8404 has 3 manufacturer part numbers on file: ADCF8 (Rolls-Royce Plc Naval Marine), ADCF8 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 40068943 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).

What are the specifications of ADCF8?

Key specifications for ADCF8: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 1.140 INCHES MAXIMUM SINGLE END IN; Style Designator: OPEN END; Wrenching Surface Shape: OVAL SINGLE END INTERNAL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-583-8404 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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