PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12200Key,socket Head Screw

Bondhus Corp · NSN 5120-00-555-2639 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-555-2639 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-555-2639. Primary manufacturer part number: 12200.
Features
  • Key,socket Head Screw — FSC 5120
  • Short Arm Length: 0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Surface Treatment: OXIDE OVERALL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Long Arm Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.028 INCHES NOMINAL BOTH ENDS IN
  • Features Provided: SHORT SERIES
  • Style Designator: L-HANDLE
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 5120-00-555-2639, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 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
NSN5120-00-555-2639
Primary Part Number12200
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusCANCELLED
Short Arm Length0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Surface TreatmentOXIDE OVERALL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Long Arm Length1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Wrenching Surface Size0.028 INCHES NOMINAL BOTH ENDS IN
Features ProvidedSHORT SERIES
Style DesignatorL-HANDLE
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-293-047802800 INTERCHANGEABLE
Caulking Tool,hand
Mayhew Steel Products Inc
2520-00-353-23423202K1779 INTERCHANGEABLE
Shaft,axle,automotive
Meritor Heavy Vehicle Systems, Llc
5330-00-465-11411342VR INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3695-00-679-6914 INTERCHANGEABLE
Saw,chain
1680-00-707-50755700-2 INTERCHANGEABLE
Brake Assy,drag Spo
Adams Rite Aerospace, Inc
5895-00-715-6170SC-D-147777 INTERCHANGEABLE
Case,electronic Communications E
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5840-00-938-13895700-2 INTERCHANGEABLE
Filter Reactor
Raytheon Company Div Rmd Strategic
6140-01-031-6878 INTERCHANGEABLE
Battery,storage
6680-01-113-801657002 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5977-01-139-971514200198 INTERCHANGEABLE
Electrode,blade
Klein Marine Systems Inc
Cross-Reference Index
Part NumberManufacturer
00777-0021-0 Electronic Associates Inc (USA)
A-A-2473 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
57002 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
12200 PRIMARY Bondhus Corp (USA)
68000 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
GGG-K-275 TY1CL1 General Services Administration Federal Supply Service (USA)
028SH0RTSERIES Sps Technologies, Llc Dba PB Fasteners (USA)
028 Bristol Babcock Inc Instruments-Systems Div Sub of Babcock Intl Inc (USA)
B18.3 The American Society of Mechanical Engineers (USA)
57002 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5120-00-293-0478INTERCHANGEABLE
CAULKING TOOL,HAND
02800
2520-00-353-2342INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
3202K1779
5330-00-465-1141INTERCHANGEABLE
GASKET
1342VR
3695-00-679-6914INTERCHANGEABLE
SAW,CHAIN
1680-00-707-5075INTERCHANGEABLE
BRAKE ASSY,DRAG SPO
5700-2
5895-00-715-6170INTERCHANGEABLE
CASE,ELECTRONIC COMMUNICATIONS E
SC-D-147777
5840-00-938-1389INTERCHANGEABLE
FILTER REACTOR
5700-2
6140-01-031-6878INTERCHANGEABLE
BATTERY,STORAGE
6680-01-113-8016INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
57002
5977-01-139-9715INTERCHANGEABLE
ELECTRODE,BLADE
14200198
6685-01-194-7843INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
57002
7510-01-283-5274INTERCHANGEABLE
BINDER,LOOSE-LEAF
68-000

Frequently Asked Questions

What is NSN 5120-00-555-2639?

NSN 5120-00-555-2639 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-555-2639?

NSN 5120-00-555-2639 has 11 cross-referenced part numbers: 00777-0021-0 (Electronic Associates Inc), A-A-2473 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 57002 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), GGG-K-275 (Federal Specifications Promulgated by General Services Administration Washington DC), 12200 (Bondhus Corp) and 6 more.

What NSN replaces 5120-00-555-2639?

There are 12 known substitutes for 5120-00-555-2639: 5120-00-293-0478, 2520-00-353-2342, 5330-00-465-1141 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12200?

Key specifications for 12200: Short Arm Length: 0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Surface Treatment: OXIDE OVERALL; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Long Arm Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-555-2639 still in active supply?

NSN 5120-00-555-2639 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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