PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3Key,socket Head Screw

Sna Germany Gmbh · NSN 5120-00-827-2967 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-827-2967 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-827-2967. Primary manufacturer part number: MS3.
Features
  • Key,socket Head Screw — FSC 5120
  • Long Arm Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
  • Short Arm Length: 0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL
  • Wrenching Surface Size: 0.048 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • Style Designator: L-HANDLE
  • Wrenching Surface Flute Quantity: 4
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 5120-00-827-2967, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5120-00-827-2967
Primary Part NumberMS3
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSna Germany Gmbh
StatusCANCELLED
Long Arm Length1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Short Arm Length0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Wrenching Surface ShapeSPLINE BOTH ENDS EXTERNAL
Wrenching Surface Size0.048 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Style DesignatorL-HANDLE
Wrenching Surface Flute Quantity4
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedSHORT SERIES
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6130-00-126-1133 INTERCHANGEABLE
Power Supply
3110-00-155-8407102668-608 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-155-9644MS3 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
5998-00-351-855812372-1 INTERCHANGEABLE
Circuit Card Assembly
Celtech Corporation Div Use CAGE 65552 for All Orders
5305-00-410-0688MS-3 INTERCHANGEABLE
Screw,shoulder
Reid Supply Company
4730-00-803-5912 INTERCHANGEABLE
Coupling,boss
3426-01-005-4821ID-8 13001008 INTERCHANGEABLE
Anode,plating
Sifco Applied Surface Concepts, Llc
7021-01-020-2271MS3 INTERCHANGEABLE
Computer,digital
Newton Technology Group Plc
5935-01-063-4376MS-3 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Datel, Inc.
5935-01-103-3007MS-3 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
MS3 Sna Germany Gmbh (DEU)
S-048-4 Bristol Babcock Inc Instruments-Systems Div Sub of Babcock Intl Inc (USA)
GGG-K-275 TY2CL1 General Services Administration Federal Supply Service (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
123721 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
B18.3 The American Society of Mechanical Engineers (USA)
S-048-4 Mahalo Industries Inc Dba Bristol Wrench Co. (USA)
Related Parts
6130-00-126-1133INTERCHANGEABLE
POWER SUPPLY
3110-00-155-8407INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-608
3110-00-155-9644INTERCHANGEABLE
BEARING,BALL,ANNULAR
MS3
5998-00-351-8558INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
12372-1
5305-00-410-0688INTERCHANGEABLE
SCREW,SHOULDER
MS-3
4730-00-803-5912INTERCHANGEABLE
COUPLING,BOSS
3426-01-005-4821INTERCHANGEABLE
ANODE,PLATING
ID-8 13001008
7021-01-020-2271INTERCHANGEABLE
COMPUTER,DIGITAL
MS3
5935-01-063-4376INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
MS-3
5935-01-103-3007INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
MS-3
5905-01-163-3909INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6685-01-224-9410INTERCHANGEABLE
BAROMETER,MERCURIAL

Frequently Asked Questions

What is NSN 5120-00-827-2967?

NSN 5120-00-827-2967 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 5120-00-827-2967?

NSN 5120-00-827-2967 has 7 cross-referenced part numbers: MS3 (Sna Germany Gmbh), S-048-4 (Bristol Babcock Inc Instruments-Systems Div Sub of Babcock Intl Inc), GGG-K-275 TY2CL1 (General Services Administration Federal Supply Service), GGG-K-275 (Federal Specifications Promulgated by General Services Administration Washington DC), 123721 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 2 more.

What NSN replaces 5120-00-827-2967?

There are 12 known substitutes for 5120-00-827-2967: 6130-00-126-1133, 3110-00-155-8407, 3110-00-155-9644 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3?

Key specifications for MS3: Long Arm Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN; Overall Length: 1.362 INCHES NOMINAL IN; Short Arm Length: 0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-827-2967 still in active supply?

NSN 5120-00-827-2967 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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