PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-I-45914Insert,screw Thread

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5325-01-365-1220 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-365-1220 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-365-1220. Primary manufacturer part number: MIL-I-45914.
Features
  • Insert,screw Thread — FSC 5325
  • Nominal Thread Size: 0.3750 INCHES IN
  • Thread Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: AMS 5737 A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-01-365-1220, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-01-365-1220
Primary Part NumberMIL-I-45914
Item NameInsert,screw Thread
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nominal Thread Size0.3750 INCHES IN
Thread Length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationAMS 5737 A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Quantity Per Inch16
Internal Thread Relief Depth0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Full Internal Thread Length0.305 INCHES NOMINAL IN
Style DesignatorGROOVED KEYLOCK
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Insert Size0.3750-16 UNC 2A A
Thread Class2A A
MaterialSTEEL COMP 303 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5325-00-216-0314 INTERCHANGEABLE
Insert,screw Thread
5325-01-191-2795 INTERCHANGEABLE
Insert,screw Thread
5325-01-371-0904 INTERCHANGEABLE
Insert,screw Thread
5325-01-380-6424 INTERCHANGEABLE
Insert,screw Thread
Cross-Reference Index
Part NumberManufacturer
MIL-I-45914 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51830CA106 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5325-00-216-0314INTERCHANGEABLE
INSERT,SCREW THREAD
5325-01-191-2795INTERCHANGEABLE
INSERT,SCREW THREAD
5325-01-371-0904INTERCHANGEABLE
INSERT,SCREW THREAD
5325-01-380-6424INTERCHANGEABLE
INSERT,SCREW THREAD

Frequently Asked Questions

What is NSN 5325-01-365-1220?

NSN 5325-01-365-1220 is a Insert,screw Thread, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-01-365-1220?

NSN 5325-01-365-1220 has 2 cross-referenced part numbers: MIL-I-45914 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51830CA106 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5325-01-365-1220?

There are 4 known substitutes for 5325-01-365-1220: 5325-00-216-0314, 5325-01-191-2795, 5325-01-371-0904 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-I-45914?

Key specifications for MIL-I-45914: Nominal Thread Size: 0.3750 INCHES IN; Thread Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Surface Treatment: PASSIVATE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-01-365-1220 still in active supply?

NSN 5325-01-365-1220 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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