PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

36921Key,socket Head Screw

Wiha Quality Tools · NSN 5120-01-669-3396 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-669-3396 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-669-3396. Primary manufacturer part number: 36921.
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Size: 8.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Features Provided: BALL END
  • Style Designator: L-HANDLE
  • Material: STEEL CORROSION RESISTING OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • 1 verified cross-reference
  • Primary manufacturer: Wiha Quality Tools
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-669-3396, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-669-3396
Primary Part Number36921
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWiha Quality Tools
StatusACTIVE
Wrenching Surface Size8.0 MILLIMETERS NOMINAL BOTH ENDS MM
Features ProvidedBALL END
Style DesignatorL-HANDLE
MaterialSTEEL CORROSION RESISTING OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5307-00-710-8036 INTERCHANGEABLE
Stud,brake
5310-01-109-67610920053 INTERCHANGEABLE
Washer,lock
Perkins Engines Inc
2840-01-128-755336921 INTERCHANGEABLE
Duct and Cone,exhaust,aircraft G
Williams International Co., L.l.c.
4810-01-319-54423689 FIND 4 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
7520-01-349-630360025 INTERCHANGEABLE
Pen,ball-Point
Sanford Corp
Cross-Reference Index
Part NumberManufacturer
36921 PRIMARY Wiha Quality Tools (USA)
Related Parts
5307-00-710-8036INTERCHANGEABLE
STUD,BRAKE
5310-01-109-6761INTERCHANGEABLE
WASHER,LOCK
0920053
2840-01-128-7553INTERCHANGEABLE
DUCT AND CONE,EXHAUST,AIRCRAFT G
36921
4810-01-319-5442INTERCHANGEABLE
PISTON,VALVE
3689 FIND 4
7520-01-349-6303INTERCHANGEABLE
PEN,BALL-POINT
60025

Frequently Asked Questions

What is NSN 5120-01-669-3396?

NSN 5120-01-669-3396 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 5120-01-669-3396?

NSN 5120-01-669-3396 has 1 cross-referenced part number: 36921 (Wiha Quality Tools).

What NSN replaces 5120-01-669-3396?

There are 5 known substitutes for 5120-01-669-3396: 5307-00-710-8036, 5310-01-109-6761, 2840-01-128-7553 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 36921?

Key specifications for 36921: Overall Length: 206.0 MILLIMETERS NOMINAL MM; Wrenching Surface Size: 8.0 MILLIMETERS NOMINAL BOTH ENDS MM; Features Provided: BALL END; Style Designator: L-HANDLE. 6 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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