PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33412Key,socket Head Screw

Wiha Quality Tools · NSN 5120-01-629-3277 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-629-3277 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-629-3277. Primary manufacturer part number: 33412.
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Size: 5.0 MILLIMETERS NOMINAL SINGLE END MM
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Features Provided: CUSHION GRIP
  • Material: STEEL OVERALL
  • Style Designator: FIXED T-HANDLE
  • Surface Treatment: NICKEL OVERALL
  • 2 verified cross-references
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 5120-01-629-3277, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wiha Quality Tools. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-629-3277
Primary Part Number33412
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWiha Quality Tools
StatusACTIVE
Wrenching Surface Size5.0 MILLIMETERS NOMINAL SINGLE END MM
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
Features ProvidedCUSHION GRIP
MaterialSTEEL OVERALL
Style DesignatorFIXED T-HANDLE
Surface TreatmentNICKEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-108-80112B5242 INTERCHANGEABLE
Roller,bearing
Fwd Seagrave Holdings Lp
3455-00-222-4063 INTERCHANGEABLE
File,rotary
5210-00-223-919633-412 INTERCHANGEABLE
Blade,thickness Gage
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5910-00-270-9056857-200N INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
High Energy Corp.
5940-00-549-7256334-12 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5310-00-637-835300919 INTERCHANGEABLE
Nut,plain,round
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5340-01-303-23107010349726 INTERCHANGEABLE
Standoff,threaded,spacing
3m Company
5998-01-307-836233412 INTERCHANGEABLE
Backplane Assembly
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5995-01-707-251600919 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
Cross-Reference Index
Part NumberManufacturer
33412 PRIMARY Wiha Quality Tools (USA)
00919 Wiha Quality Tools (USA)
Related Parts
3110-00-108-8011INTERCHANGEABLE
ROLLER,BEARING
2B5242
3455-00-222-4063INTERCHANGEABLE
FILE,ROTARY
5210-00-223-9196INTERCHANGEABLE
BLADE,THICKNESS GAGE
33-412
5910-00-270-9056INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
857-200N
5940-00-549-7256INTERCHANGEABLE
TERMINAL,LUG
334-12
5310-00-637-8353INTERCHANGEABLE
NUT,PLAIN,ROUND
00919
5340-01-303-2310INTERCHANGEABLE
STANDOFF,THREADED,SPACING
7010349726
5998-01-307-8362INTERCHANGEABLE
BACKPLANE ASSEMBLY
33412
5995-01-707-2516INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
00919

Frequently Asked Questions

What is NSN 5120-01-629-3277?

NSN 5120-01-629-3277 is a Key,socket Head Screw, manufactured by Wiha Quality Tools, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-629-3277?

NSN 5120-01-629-3277 has 2 cross-referenced part numbers: 33412 (Wiha Quality Tools), 00919 (Wiha Quality Tools).

What NSN replaces 5120-01-629-3277?

There are 9 known substitutes for 5120-01-629-3277: 3110-00-108-8011, 3455-00-222-4063, 5210-00-223-9196 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33412?

Key specifications for 33412: Overall Length: 382.0 MILLIMETERS NOMINAL MM; Wrenching Surface Size: 5.0 MILLIMETERS NOMINAL SINGLE END MM; Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL; Features Provided: CUSHION GRIP. 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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