PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AW12Key,socket Head Screw

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-428-8003 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-8003 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-8003. Primary manufacturer part number: AW12.
Features
  • Key,socket Head Screw — FSC 5120
  • Surface Treatment: ZINC OVERALL
  • Features Provided: SHORT SERIES
  • Material: STEEL OVERALL
  • Style Designator: L-HANDLE
  • Wrenching Surface Size: 0.375 INCHES NOMINAL BOTH ENDS IN
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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 5120-01-428-8003, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-428-8003
Primary Part NumberAW12
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
Surface TreatmentZINC OVERALL
Features ProvidedSHORT SERIES
MaterialSTEEL OVERALL
Style DesignatorL-HANDLE
Wrenching Surface Size0.375 INCHES NOMINAL BOTH ENDS IN
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5120-00-198-5390 INTERCHANGEABLE
Key,socket Head Screw
5120-01-530-8002 INTERCHANGEABLE
Key,socket Head Screw
5930-01-600-4983AW-12 INTERCHANGEABLE
Switch,pressure
Federal Equipment Co
Cross-Reference Index
Part NumberManufacturer
AW12 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
ZHVY0217-15 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
5120PL0934320 Jednolity Indeks Materialowy - Uniform Material Index (POL)
ZLW0283-15 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AW12D Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-198-5390INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-01-530-8002INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5930-01-600-4983INTERCHANGEABLE
SWITCH,PRESSURE
AW-12

Frequently Asked Questions

What is NSN 5120-01-428-8003?

NSN 5120-01-428-8003 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 5120-01-428-8003?

NSN 5120-01-428-8003 has 6 cross-referenced part numbers: AW12 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), ZHVY0217-15 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 5120PL0934320 (Jednolity Indeks Materialowy - Uniform Material Index), ZLW0283-15 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AW12D (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 1 more.

What NSN replaces 5120-01-428-8003?

There are 3 known substitutes for 5120-01-428-8003: 5120-00-198-5390, 5120-01-530-8002, 5930-01-600-4983. Verify interchangeability with system specifications before substitution.

What are the specifications of AW12?

Key specifications for AW12: Overall Length: 4.250 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL; Features Provided: SHORT SERIES; Material: STEEL OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-428-8003 still in active supply?

NSN 5120-01-428-8003 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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