PartsTable TECHNICAL DATA SHEET
NSN 5120-01-348-9172Government record, cited

Socket, Socket Wrench5120-01-348-9172

NSN 5120-01-348-9172 · NIIN 013489172 · Part number SFM8
Snap-on Tools (australia) Pty Ltd · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE Z1F72
Government record, cited
NSN 5120-01-348-9172 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-348-9172. Manufacturer of record part number: SFM8.
Also searched as  5120-01-348-9172 · 5120013489172 · NIIN 013489172 · 01-348-9172 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE Z1F72 · SFM8 · B107.5M TY1CL2 · B107.5M · B107.5M CL1STB
Nearby stock numbers  ·
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 8.0 MILLIMETERS NOMINAL SINGLE END MM
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Specification/standard Data: 05047-ASME B107.5M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Identification
  • NSN: 5120-01-348-9172
  • NIIN: 013489172
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: SFM8
  • Manufacturer: Snap-on Tools (australia) Pty Ltd
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-348-9172, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Snap-on Tools (australia) Pty Ltd. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-348-9172
Primary Part NumberSFM8
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerSnap-on Tools (australia) Pty Ltd
StatusACTIVE
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size8.0 MILLIMETERS NOMINAL SINGLE END MM
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Specification/standard Data05047-ASME B107.5M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Wrenching Surface Shape12 POINT 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
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5120-01-661-7172SFM8 POSSIBLE MATCH
SOCKET,SOCKET WRENCH
Possible match (shared part number)Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
SFM8 Snap-on Tools (australia) Pty Ltd (AUS)
Reference documents
ReferenceMeaning
B107.5M TY1CL2 5/1 Secondary reference
U.S. Government activity
B107.5M 3/1 Design control — primary reference
The American Society of Mechanical Engineers
B107.5M CL1STB 5/9 Secondary reference
U.S. Government activity
Related Parts
5120-01-661-7172POSSIBLE MATCH
SOCKET,SOCKET WRENCH
SFM8

Frequently Asked Questions

What is NSN 5120-01-348-9172?

NSN 5120-01-348-9172 is a Socket,socket Wrench, manufactured by Snap-on Tools (australia) Pty Ltd, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-348-9172?

NSN 5120-01-348-9172 has 1 manufacturer part number on file: SFM8 (Snap-on Tools (australia) Pty Ltd).

What NSN replaces 5120-01-348-9172?

1 possible match (shared part number, not a government interchangeability claim): 5120-01-661-7172. Verify interchangeability with system specifications before substitution.

What are the specifications of SFM8?

Key specifications for SFM8: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 8.0 MILLIMETERS NOMINAL SINGLE END MM; Style Designator: INTERNAL-INTERNAL; Overall Length: 54.0 MILLIMETERS NOMINAL MM. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-348-9172 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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