PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AW3-1/2DKey,socket Head Screw

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-437-1647 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-437-1647 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-437-1647. Primary manufacturer part number: AW3-1/2D.
Features
  • Key,socket Head Screw — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.109 INCHES NOMINAL BOTH ENDS IN
  • Surface Treatment: ZINC OVERALL
  • Style Designator: L-HANDLE
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: SHORT SERIES
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 5120-01-437-1647, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-437-1647
Primary Part NumberAW3-1/2D
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
MaterialSTEEL OVERALL
Wrenching Surface Size0.109 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentZINC OVERALL
Style DesignatorL-HANDLE
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedSHORT SERIES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5120-00-889-2162 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
ZHVY0217-7 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
5120PL0916638 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AW3-1/2 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
ZLW0283-7 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B18.3 The American Society of Mechanical Engineers (USA)
AW3-1/2D PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5120-00-889-2162INTERCHANGEABLE
KEY,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-01-437-1647?

NSN 5120-01-437-1647 is a Key,socket Head Screw, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-437-1647?

NSN 5120-01-437-1647 has 6 cross-referenced part numbers: ZHVY0217-7 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 5120PL0916638 (Jednolity Indeks Materialowy - Uniform Material Index), AW3-1/2 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), ZLW0283-7 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B18.3 (The American Society of Mechanical Engineers) and 1 more.

What NSN replaces 5120-01-437-1647?

There is 1 known substitute for 5120-01-437-1647: 5120-00-889-2162. Verify interchangeability with system specifications before substitution.

What are the specifications of AW3-1/2D?

Key specifications for AW3-1/2D: Overall Length: 2.125 INCHES NOMINAL IN; Material: STEEL OVERALL; Wrenching Surface Size: 0.109 INCHES NOMINAL BOTH ENDS IN; Surface Treatment: ZINC OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-437-1647 still in active supply?

NSN 5120-01-437-1647 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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