PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12191Key,socket Head Screw

Bondhus Corp · NSN 5120-01-672-7853 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-672-7853 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-672-7853. Primary manufacturer part number: 12191.
Features
  • Key,socket Head Screw — FSC 5120
  • Short Arm Length: 78.0 MILLIMETERS NOMINAL MM
  • Long Arm Length: 325.0 MILLIMETERS NOMINAL MM
  • Features Provided: LONG SERIES
  • Wrenching Surface Size: 22.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Surface Treatment: PHOSPHATE OVERALL
  • 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 5120-01-672-7853, 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 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-672-7853
Primary Part Number12191
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
Short Arm Length78.0 MILLIMETERS NOMINAL MM
Long Arm Length325.0 MILLIMETERS NOMINAL MM
Features ProvidedLONG SERIES
Wrenching Surface Size22.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Surface TreatmentPHOSPHATE OVERALL
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-189-9325 INTERCHANGEABLE
Drill,twist
5935-00-222-7808 INTERCHANGEABLE
Connector,plug,electrical
5330-00-232-063612-19-1 INTERCHANGEABLE
Gasket
Porta Drill Inc
5307-00-274-146012191 INTERCHANGEABLE
Stud,plain
Morris Material Handling, Inc.
5945-00-999-4902 INTERCHANGEABLE
Relay,electromagnetic
5985-01-093-7640121-9-1 INTERCHANGEABLE
Switch Deck,ultra H
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
3950-01-205-4581 INTERCHANGEABLE
Hoist,pneumatic
3110-01-281-7035 INTERCHANGEABLE
Bearing,roller,needle
8465-01-656-150212-191 INTERCHANGEABLE
Harness,man's Sled
Kimpex U S a Ltd
Cross-Reference Index
Part NumberManufacturer
12191 PRIMARY Bondhus Corp (USA)
Related Parts
5133-00-189-9325INTERCHANGEABLE
DRILL,TWIST
5935-00-222-7808INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-00-232-0636INTERCHANGEABLE
GASKET
12-19-1
5307-00-274-1460INTERCHANGEABLE
STUD,PLAIN
12191
5945-00-999-4902INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5985-01-093-7640INTERCHANGEABLE
SWITCH DECK,ULTRA H
121-9-1
3950-01-205-4581INTERCHANGEABLE
HOIST,PNEUMATIC
3110-01-281-7035INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
8465-01-656-1502INTERCHANGEABLE
HARNESS,MAN'S SLED
12-191

Frequently Asked Questions

What is NSN 5120-01-672-7853?

NSN 5120-01-672-7853 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-672-7853?

NSN 5120-01-672-7853 has 1 cross-referenced part number: 12191 (Bondhus Corp).

What NSN replaces 5120-01-672-7853?

There are 9 known substitutes for 5120-01-672-7853: 5133-00-189-9325, 5935-00-222-7808, 5330-00-232-0636 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12191?

Key specifications for 12191: Short Arm Length: 78.0 MILLIMETERS NOMINAL MM; Long Arm Length: 325.0 MILLIMETERS NOMINAL MM; Features Provided: LONG SERIES; Wrenching Surface Size: 22.0 MILLIMETERS NOMINAL BOTH ENDS MM. 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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