PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

301228Ring,externally Threaded

Northrop Grumman Corp Electronic Systems Defensive System Div · NSN 5365-00-003-9656 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-003-9656 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-003-9656. Primary manufacturer part number: 301228.
Features
  • Ring,externally Threaded — FSC 5365
  • Depth: 0.040 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Angle Between Accommodations in Deg: 90.0
  • Bore Diameter: 4.500 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN
  • Beveled Thread: NOT INCLUDED
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
  • Surface Treatment: OXIDE
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Ring,externally Threaded, cataloged under National Stock Number 5365-00-003-9656, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-003-9656
Primary Part Number301228
Item NameRing,externally Threaded
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Corp Electronic Systems Defensive System Div
StatusACTIVE
Depth0.040 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Angle Between Accommodations in Deg90.0
Bore Diameter4.500 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN
Beveled ThreadNOT INCLUDED
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentOXIDE
Accommodation Type and Quantity4 SLOTS
MaterialSTEEL COMP 303
Drive TypeSLOTTED FACE
Width0.062 INCHES NOMINAL IN
Setscrew Locking NotchNOT INCLUDED
Bore Annular Internal SerrationNOT INCLUDED
Thread Size4.688-40
Screw Thread Series DesignatorUNS
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-01-045-4943 INTERCHANGEABLE
Drill,twist
6515-01-495-392530-1228 INTERCHANGEABLE
Forceps,microsurgical
Specialty Surgical Instrumentation, Inc. Dba Symmetry Surgical Inc Div Symmetry Surgical
Cross-Reference Index
Part NumberManufacturer
301228 PRIMARY Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
Related Parts
5133-01-045-4943INTERCHANGEABLE
DRILL,TWIST
6515-01-495-3925INTERCHANGEABLE
FORCEPS,MICROSURGICAL
30-1228

Frequently Asked Questions

What is NSN 5365-00-003-9656?

NSN 5365-00-003-9656 is a Ring,externally Threaded, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-003-9656?

NSN 5365-00-003-9656 has 1 cross-referenced part number: 301228 (Northrop Grumman Corp Electronic Systems Defensive System Div).

What NSN replaces 5365-00-003-9656?

There are 2 known substitutes for 5365-00-003-9656: 5133-01-045-4943, 6515-01-495-3925. Verify interchangeability with system specifications before substitution.

What are the specifications of 301228?

Key specifications for 301228: Depth: 0.040 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Angle Between Accommodations in Deg: 90.0; Bore Diameter: 4.500 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN. 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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