PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12254Key,socket Head Screw

Bondhus Corp · NSN 5120-01-437-1648 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-437-1648 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-437-1648. Primary manufacturer part number: 12254.
Features
  • Key,socket Head Screw — FSC 5120
  • Specification/standard Data: 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Features Provided: SHORT SERIES
  • Wrenching Surface Size: 2.5 MILLIMETERS NOMINAL BOTH ENDS MM
  • Surface Treatment: ZINC OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • 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 5120-01-437-1648, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-437-1648
Primary Part Number12254
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusCANCELLED
Specification/standard Data05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Features ProvidedSHORT SERIES
Wrenching Surface Size2.5 MILLIMETERS NOMINAL BOTH ENDS MM
Surface TreatmentZINC OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5133-00-189-9299 INTERCHANGEABLE
Drill,twist
5133-00-228-135114730 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
6105-00-319-14321225-4 INTERCHANGEABLE
Motor,alternating Current
Electric Boat Corporation Div General Dynamics Electric Boat
5330-00-447-6704HW12254 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation
1560-00-536-760512254 INTERCHANGEABLE
Window Panel,aircraft
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
6680-00-822-4680 INTERCHANGEABLE
Counter,electrical
3455-01-203-275212254 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
5365-01-344-252412254 INTERCHANGEABLE
Spacer,sleeve
DP Manufacturing Inc.
3040-01-392-470212254 INTERCHANGEABLE
Connecting Link,rigid
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
3040-01-417-4266 INTERCHANGEABLE
Connecting Link,rigid
Cross-Reference Index
Part NumberManufacturer
B18.3.2 The American Society of Mechanical Engineers (USA)
AWM2.5C Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
ZLW0284-11 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AWM2-1/2D Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AWM2-1/2C Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
ZHVY0218-11 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
12254 PRIMARY Bondhus Corp (USA)
Related Parts
5133-00-189-9299INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1351INTERCHANGEABLE
DRILL,TWIST
14730
6105-00-319-1432INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
1225-4
5330-00-447-6704INTERCHANGEABLE
GASKET
HW12254
1560-00-536-7605INTERCHANGEABLE
WINDOW PANEL,AIRCRAFT
12254
6680-00-822-4680INTERCHANGEABLE
COUNTER,ELECTRICAL
3455-01-203-2752INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12254
5365-01-344-2524INTERCHANGEABLE
SPACER,SLEEVE
12254
3040-01-392-4702INTERCHANGEABLE
CONNECTING LINK,RIGID
12254
3040-01-417-4266INTERCHANGEABLE
CONNECTING LINK,RIGID
5998-01-531-3338INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
11424

Frequently Asked Questions

What is NSN 5120-01-437-1648?

NSN 5120-01-437-1648 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 5120-01-437-1648?

NSN 5120-01-437-1648 has 7 cross-referenced part numbers: B18.3.2 (The American Society of Mechanical Engineers), AWM2.5C (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), ZLW0284-11 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AWM2-1/2D (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AWM2-1/2C (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 2 more.

What NSN replaces 5120-01-437-1648?

There are 11 known substitutes for 5120-01-437-1648: 5133-00-189-9299, 5133-00-228-1351, 6105-00-319-1432 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12254?

Key specifications for 12254: Overall Length: 52.0 MILLIMETERS NOMINAL MM; Specification/standard Data: 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL; Features Provided: SHORT SERIES. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-437-1648 still in active supply?

NSN 5120-01-437-1648 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.
PartsTable Design LLC · partstable.com