PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16T2628Bolt,square Neck

Chief of Engineers Dept of Army · NSN 5306-00-496-2224 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-496-2224 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-496-2224. Primary manufacturer part number: 16T2628.
Features
  • Bolt,square Neck — FSC 5306
  • Neck Length: 0.469 INCHES NOMINAL IN
  • Head Height: 0.375 INCHES NOMINAL IN
  • Thread Length: 3.000 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: PHOSPHATE OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1018 Overall construction
General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-00-496-2224, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Chief of Engineers Dept of Army. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-496-2224
Primary Part Number16T2628
Item NameBolt,square Neck
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerChief of Engineers Dept of Army
StatusACTIVE
Neck Length0.469 INCHES NOMINAL IN
Head Height0.375 INCHES NOMINAL IN
Thread Length3.000 INCHES NOMINAL IN
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Surface TreatmentPHOSPHATE OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating9.0 ROCKWELL C NOMINAL OVERALL
Minimum Yield Strength39000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch16
Head Diameter1.562 INCHES NOMINAL IN
Fastener Length5.500 INCHES NOMINAL IN
Neck Width0.750 INCHES NOMINAL IN
Head StyleBUTTON
Thread Class2A A
MaterialSTEEL COMP 1018 OVERALL
Nominal Thread Diameter0.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5965-00-170-52358109929 INTERCHANGEABLE
Microphone,dynamic
Us Army Aviation and Missile Command
4730-00-595-294355 INTERCHANGEABLE
Coupling Half,quick Disconnect
Hme, Inc. Dba Hme Ahrens-Fox
5305-00-781-3929B1821BH038C425N INTERCHANGEABLE
Screw,cap,hexagon Head
American National Standards Institute Incorporated Dba American National Standards Institute
5306-01-159-15130T0055 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5120-01-295-9313T-55 INTERCHANGEABLE
Tacker Staples
Arrow Fastener Company, Inc.
5120-01-430-9960FRS FTX55E INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
16T2628 PRIMARY Chief of Engineers Dept of Army (USA)
20T5737 PRIMARY Chief of Engineers Dept of Army (USA)
T9R Timpte Inc (USA)
T55 PRIMARY Hendrickson Stamping Div of Hendrickson International (USA)
Related Parts
5965-00-170-5235INTERCHANGEABLE
MICROPHONE,DYNAMIC
8109929
4730-00-595-2943INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
55
5305-00-781-3929INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
B1821BH038C425N
5306-01-159-1513INTERCHANGEABLE
BOLT,MACHINE
0T0055
5120-01-295-9313INTERCHANGEABLE
TACKER STAPLES
T-55
5120-01-430-9960INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
FRS FTX55E

Frequently Asked Questions

What is NSN 5306-00-496-2224?

NSN 5306-00-496-2224 is a Bolt,square Neck, manufactured by Chief of Engineers Dept of Army, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-496-2224?

NSN 5306-00-496-2224 has 4 cross-referenced part numbers: 16T2628 (Chief of Engineers Dept of Army), 20T5737 (Chief of Engineers Dept of Army), T9R (Timpte Inc), T55 (Hendrickson Stamping Div of Hendrickson International).

What NSN replaces 5306-00-496-2224?

There are 6 known substitutes for 5306-00-496-2224: 5965-00-170-5235, 4730-00-595-2943, 5305-00-781-3929 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16T2628?

Key specifications for 16T2628: Neck Length: 0.469 INCHES NOMINAL IN; Head Height: 0.375 INCHES NOMINAL IN; Thread Length: 3.000 INCHES NOMINAL IN; Thread Series Designator: UNF. 17 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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