PartsTable TECHNICAL DATA SHEET
NSN 5120-01-666-7228Government record, cited

Key Set, Socket Head Screw5120-01-666-7228

NSN 5120-01-666-7228 · NIIN 016667228 · Part number 37937
Bondhus Corp · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 31734
Government record, cited
NSN 5120-01-666-7228 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-666-7228. Manufacturer of record part number: 37937.
Also searched as  5120-01-666-7228 · 5120016667228 · NIIN 016667228 · 01-666-7228 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 31734 · 37937 · B18.3
Nearby stock numbers  ·
Features
  • Key Set,socket Head Screw — FSC 5120
  • Handle Type: L-STYLE
  • Key Characteristic: CONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 AND 3/8 IN. IN
  • Features Provided: BALL END AND LONG SERIES
  • Key Quantity: 13
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Container Type: INDEX HOLDER
  • Material: STEEL
Identification
  • NSN: 5120-01-666-7228
  • NIIN: 016667228
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: 37937
  • Manufacturer: Bondhus Corp
General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-01-666-7228, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Bondhus Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-666-7228
Primary Part Number37937
Item NameKey Set,socket Head Screw
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerBondhus Corp
StatusACTIVE
Handle TypeL-STYLE
Key CharacteristicCONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 AND 3/8 IN. IN
Features ProvidedBALL END AND LONG SERIES
Key Quantity13
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Container TypeINDEX HOLDER
MaterialSTEEL
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
37937 Bondhus Corp (USA)
Reference documents
ReferenceMeaning
B18.3 3/1 Design control — primary reference
The American Society of Mechanical Engineers
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 5120-01-666-7228?

NSN 5120-01-666-7228 is a Key Set,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-666-7228?

NSN 5120-01-666-7228 has 1 manufacturer part number on file: 37937 (Bondhus Corp).

What are the specifications of 37937?

Key specifications for 37937: Handle Type: L-STYLE; Key Characteristic: CONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 AND 3/8 IN. IN; Features Provided: BALL END AND LONG SERIES; Key Quantity: 13. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-666-7228 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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