PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21216Bolt,eye

Northrop Grumman Systems Corporation · NSN 5306-00-167-3575 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-167-3575 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-167-3575. Primary manufacturer part number: 21216.
Features
  • Bolt,eye — FSC 5306
  • Eye Stock Diameter: 0.219 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 28
  • Thread Class: 3A A
  • Style Designator: ROUND, CLOSED
  • Material: STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4130 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 8740 Overall construction
General Description

The Bolt,eye, cataloged under National Stock Number 5306-00-167-3575, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-167-3575
Primary Part Number21216
Item NameBolt,eye
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Eye Stock Diameter0.219 INCHES NOMINAL IN
Thread Quantity Per Inch28
Thread Class3A A
Style DesignatorROUND, CLOSED
MaterialSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Material Document and ClassificationMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.250 INCHES IN
Surface TreatmentCADMIUM OVERALL
Shank Length2.516 INCHES NOMINAL IN
Thread Length2.031 INCHES MINIMUM IN
Distance From Center of Eye to Shank End2.773 INCHES NOMINAL IN
Eye Inside Diameter0.257 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3655-00-066-8077 INTERCHANGEABLE
Heat E,changer
5330-00-218-23112-209AX2029B INTERCHANGEABLE
Gasket Set
Industrial Technologies and Services Llc
2910-00-424-336521216 INTERCHANGEABLE
Venturi,carburetor
Briggs and Stratton Corp
5330-00-580-852911907 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5930-00-614-5284 INTERCHANGEABLE
Switch,toggle
6605-00-952-4497312ST INTERCHANGEABLE
Standard Weight Too
Troemner Llc
4720-01-246-804021216 INTERCHANGEABLE
Hose,preformed
Gates Corporation
9340-01-290-93582-12-16 INTERCHANGEABLE
Tubing,glass
Fulton Boiler Works Inc
4820-01-412-522121216-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-476-372721216-1001-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21216 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
3655-00-066-8077INTERCHANGEABLE
HEAT E,CHANGER
5330-00-218-2311INTERCHANGEABLE
GASKET SET
2-209AX2029B
2910-00-424-3365INTERCHANGEABLE
VENTURI,CARBURETOR
21216
5330-00-580-8529INTERCHANGEABLE
SEAL,PLAIN ENCASED
11907
5930-00-614-5284INTERCHANGEABLE
SWITCH,TOGGLE
6605-00-952-4497INTERCHANGEABLE
STANDARD WEIGHT TOO
312ST
4720-01-246-8040INTERCHANGEABLE
HOSE,PREFORMED
21216
9340-01-290-9358INTERCHANGEABLE
TUBING,GLASS
2-12-16
4820-01-412-5221INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21216-001
4820-01-476-3727INTERCHANGEABLE
PISTON,VALVE
21216-1001-1
4730-01-500-9677INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
JEDA1875160D
5935-01-543-4216INTERCHANGEABLE
ADAPTER,CONNECTOR
21216

Frequently Asked Questions

What is NSN 5306-00-167-3575?

NSN 5306-00-167-3575 is a Bolt,eye, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-167-3575?

NSN 5306-00-167-3575 has 1 cross-referenced part number: 21216 (Northrop Grumman Systems Corporation).

What NSN replaces 5306-00-167-3575?

There are 12 known substitutes for 5306-00-167-3575: 3655-00-066-8077, 5330-00-218-2311, 2910-00-424-3365 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21216?

Key specifications for 21216: Eye Stock Diameter: 0.219 INCHES NOMINAL IN; Thread Quantity Per Inch: 28; Thread Class: 3A A; Style Designator: ROUND, CLOSED. 14 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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