PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10950Key,socket Head Screw

Bondhus Corp · NSN 5120-01-397-1293 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-1293 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-1293. Primary manufacturer part number: 10950.
Features
  • Key,socket Head Screw — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 1.5 MILLIMETERS NOMINAL BOTH ENDS MM
  • Features Provided: BALL END AND LONG SERIES
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Specification/standard Data: 05047-ASME B18.3.2M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-397-1293, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bondhus Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-397-1293
Primary Part Number10950
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
MaterialSTEEL OVERALL
Wrenching Surface Size1.5 MILLIMETERS NOMINAL BOTH ENDS MM
Features ProvidedBALL END AND LONG SERIES
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
Specification/standard Data05047-ASME B18.3.2M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-070-3468 INTERCHANGEABLE
Resistor Assembly
5140-00-293-1235 INTERCHANGEABLE
Case,twist Drill
6640-00-405-6178591-00 INTERCHANGEABLE
Bottle,dropper
Hach Company Dba Hach Co
5365-00-529-844910950 INTERCHANGEABLE
Spacer,sleeve
Eaton Corporation
4920-00-665-0541 INTERCHANGEABLE
Stand,instrument
5330-00-769-654511BMT257 INTERCHANGEABLE
Retainer,packing
Mack Trucks Inc Parts Opn
1660-00-791-243810950 INTERCHANGEABLE
Valve Vent
Conax Florida Corporation
5845-00-847-778210950 INTERCHANGEABLE
Electronic Subassem
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
2915-00-908-266759100 INTERCHANGEABLE
Driven End,centrifu
Michigan Dynamics Inc
3455-01-005-488310950 INTERCHANGEABLE
Blade,band Saw,metal Cutting
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
B18.3.2M The American Society of Mechanical Engineers (USA)
10950 Ministry of Defence, Military Equipment Tool Solutions (mets) Di Pt (GBR)
10950 PRIMARY Bondhus Corp (USA)
59100 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5905-00-070-3468INTERCHANGEABLE
RESISTOR ASSEMBLY
5140-00-293-1235INTERCHANGEABLE
CASE,TWIST DRILL
6640-00-405-6178INTERCHANGEABLE
BOTTLE,DROPPER
591-00
5365-00-529-8449INTERCHANGEABLE
SPACER,SLEEVE
10950
4920-00-665-0541INTERCHANGEABLE
STAND,INSTRUMENT
5330-00-769-6545INTERCHANGEABLE
RETAINER,PACKING
11BMT257
1660-00-791-2438INTERCHANGEABLE
VALVE VENT
10950
5845-00-847-7782INTERCHANGEABLE
ELECTRONIC SUBASSEM
10950
2915-00-908-2667INTERCHANGEABLE
DRIVEN END,CENTRIFU
59100
3455-01-005-4883INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
10950
5310-01-122-0407INTERCHANGEABLE
WASHER,FLAT
59100
5965-01-128-1410INTERCHANGEABLE
HEADSET-MICROPHONE

Frequently Asked Questions

What is NSN 5120-01-397-1293?

NSN 5120-01-397-1293 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-397-1293?

NSN 5120-01-397-1293 has 4 cross-referenced part numbers: B18.3.2M (The American Society of Mechanical Engineers), 10950 (Ministry of Defence, Military Equipment Tool Solutions (mets) Di Pt), 10950 (Bondhus Corp), 59100 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-397-1293?

There are 12 known substitutes for 5120-01-397-1293: 5905-00-070-3468, 5140-00-293-1235, 6640-00-405-6178 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10950?

Key specifications for 10950: Overall Length: 77.0 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL; Wrenching Surface Size: 1.5 MILLIMETERS NOMINAL BOTH ENDS MM; Features Provided: BALL END AND LONG SERIES. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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