PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BL3/16Key,socket Head Screw

Bondhus Corp · NSN 5120-01-149-6676 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-149-6676 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-149-6676. Primary manufacturer part number: BL3/16.
Features
  • Key,socket Head Screw — FSC 5120
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: BALL END AND LONG SERIES
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.188 INCHES NOMINAL BOTH ENDS IN
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Surface Treatment: OXIDE OVERALL
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 5120-01-149-6676, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-149-6676
Primary Part NumberBL3/16
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedBALL END AND LONG SERIES
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Wrenching Surface Size0.188 INCHES NOMINAL BOTH ENDS IN
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Surface TreatmentOXIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5133-00-061-627310910 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5330-00-172-6908 INTERCHANGEABLE
Seal,plain Encased
5120-00-243-7325 INTERCHANGEABLE
Extension,socket Wrench
1680-00-297-998410910 INTERCHANGEABLE
Shaft Assembly,flexible
Cef Industries, Llc Dba Cef Industries Inc
4730-00-585-899312019-72 INTERCHANGEABLE
Tee,pipe
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
6130-00-627-1673 INTERCHANGEABLE
Power Supply
6505-00-680-190710910 INTERCHANGEABLE
Benztropine Mesylate Tablets
Goldline Laboratories, Inc. Dba Goldline Laboratories
5120-01-112-835010910 INTERCHANGEABLE
Hammer,hand
Vaughan & Bushnell Manufacturing Company
4320-01-475-084610910 INTERCHANGEABLE
Parts Kit,centrifugal Pump
Oberdorfer Pumps Inc
8040-01-690-8315 INTERCHANGEABLE
Adhesive
Cross-Reference Index
Part NumberManufacturer
BL3/16 Bondhus Corp (USA)
10910 Bondhus Corp (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
5133-00-061-6273INTERCHANGEABLE
DRILL,TWIST
10910
5330-00-172-6908INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-243-7325INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
1680-00-297-9984INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
10910
4730-00-585-8993INTERCHANGEABLE
TEE,PIPE
12019-72
6130-00-627-1673INTERCHANGEABLE
POWER SUPPLY
6505-00-680-1907INTERCHANGEABLE
BENZTROPINE MESYLATE TABLETS
10910
5120-01-112-8350INTERCHANGEABLE
HAMMER,HAND
10910
4320-01-475-0846INTERCHANGEABLE
PARTS KIT,CENTRIFUGAL PUMP
10910
8040-01-690-8315INTERCHANGEABLE
ADHESIVE
5120-01-725-1416INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
10910

Frequently Asked Questions

What is NSN 5120-01-149-6676?

NSN 5120-01-149-6676 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 5120-01-149-6676?

NSN 5120-01-149-6676 has 3 cross-referenced part numbers: BL3/16 (Bondhus Corp), 10910 (Bondhus Corp), B18.3 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-149-6676?

There are 11 known substitutes for 5120-01-149-6676: 5133-00-061-6273, 5330-00-172-6908, 5120-00-243-7325 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BL3/16?

Key specifications for BL3/16: Overall Length: 4.500 INCHES NOMINAL IN; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: BALL END AND LONG SERIES; Style Designator: L-HANDLE. 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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