PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS-16Key,socket Head Screw

Sna Germany Gmbh · NSN 5120-00-277-1724 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1724 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1724. Primary manufacturer part number: MS-16.
Features
  • Key,socket Head Screw — FSC 5120
  • Long Arm Length: 2.156 INCHES MINIMUM AND 2.344 INCHES MAXIMUM IN
  • Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL
  • Wrenching Surface Flute Quantity: 6
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: L-HANDLE
  • Features Provided: SHORT SERIES
  • Material: STEEL OVERALL
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 5120-00-277-1724, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sna Germany Gmbh. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-277-1724
Primary Part NumberMS-16
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSna Germany Gmbh
StatusCANCELLED
Long Arm Length2.156 INCHES MINIMUM AND 2.344 INCHES MAXIMUM IN
Wrenching Surface ShapeSPLINE BOTH ENDS EXTERNAL
Wrenching Surface Flute Quantity6
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorL-HANDLE
Features ProvidedSHORT SERIES
MaterialSTEEL OVERALL
Wrenching Surface Size0.145 INCHES NOMINAL BOTH ENDS IN
Short Arm Length0.656 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4810-00-150-229399-00029 INTERCHANGEABLE
Sleeve,directional Control Linea
Bae Systems Land & Armaments L.p.
3110-00-155-8944MS16 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5120-00-224-2482 INTERCHANGEABLE
Key,socket Head Screw
5120-00-224-2496 INTERCHANGEABLE
Key,socket Head Screw
5120-00-288-90855120-00-288-9085 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5120-00-293-0195 INTERCHANGEABLE
Key,socket Head Screw
5120-00-529-2553 INTERCHANGEABLE
Key Set,socket Head Screw
5945-00-560-040617-663-115V60HZ INTERCHANGEABLE
Solenoid,electrical
Detroit Coil Co.
5120-00-781-8977 INTERCHANGEABLE
Key,socket Head Screw
5120-00-832-6216 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
MS-16 Sna Germany Gmbh (DEU)
A-A-2925 TY1 General Services Administration Federal Supply Service (USA)
A-A-2473 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B18.3 The American Society of Mechanical Engineers (USA)
A-A-2925 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
S-145-6 Mahalo Industries Inc Dba Bristol Wrench Co. (USA)
S-145-6 See-Lect Industrial Equipment Co. Inc. Dba See Lect Industrl Equip (USA)
9900029 Lexmark International, Inc. Dba Lexmark (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-K-275 TY2CL1 General Services Administration Federal Supply Service (USA)
173355 Sna Germany Gmbh (DEU)
1996-145 Sna Germany Gmbh (DEU)
Related Parts
4810-00-150-2293INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
99-00029
3110-00-155-8944INTERCHANGEABLE
BEARING,BALL,ANNULAR
MS16
5120-00-224-2482INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-224-2496INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-288-9085INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-288-9085
5120-00-293-0195INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-529-2553INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
5945-00-560-0406INTERCHANGEABLE
SOLENOID,ELECTRICAL
17-663-115V60HZ
5120-00-781-8977INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-832-6216INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3830-00-891-0664INTERCHANGEABLE
SHAFT,ECCENTRIC,CAM
5120-00-893-5686INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-00-277-1724?

NSN 5120-00-277-1724 is a Key,socket Head Screw, manufactured by Sna Germany Gmbh, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1724?

NSN 5120-00-277-1724 has 12 cross-referenced part numbers: MS-16 (Sna Germany Gmbh), A-A-2925 TY1 (General Services Administration Federal Supply Service), A-A-2473 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), B18.3 (The American Society of Mechanical Engineers), A-A-2925 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5120-00-277-1724?

There are 12 known substitutes for 5120-00-277-1724: 4810-00-150-2293, 3110-00-155-8944, 5120-00-224-2482 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS-16?

Key specifications for MS-16: Long Arm Length: 2.156 INCHES MINIMUM AND 2.344 INCHES MAXIMUM IN; Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL; Wrenching Surface Flute Quantity: 6; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1724 still in active supply?

NSN 5120-00-277-1724 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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