PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51965-117Setscrew

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-039-7553 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-039-7553 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-039-7553. Primary manufacturer part number: MS51965-117.
Features
  • Setscrew — FSC 5305
  • Thread Class: 3A A
  • Width Across Flats: 0.062 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Internal Drive Style: HEXAGON
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Applications requiring Steel Comp 4037 or Steel Comp 4137 or Steel Comp 4140 or Steel Comp 8630 or Steel Comp 8740 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-039-7553, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-039-7553
Primary Part NumberMS51965-117
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class3A A
Width Across Flats0.062 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Internal Drive StyleHEXAGON
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data1 TYPE AND 1 STYLE
Thread Quantity Per Inch32
Locking FeatureSTRIP OR PATCH THREADS
MaterialSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Point StyleFLAT
Thread DirectionRIGHT-HAND
Thread Length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Head StyleHEADLESS (SETSCREW)
Fastener Length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-060-2540 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-115-6184 INTERCHANGEABLE
Screw,cap,socket Head
5320-00-117-7516NASM21090 INTERCHANGEABLE
Rivet,solid
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-340-5424NAS1189E06P6 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-567-5903NAS1189-06T5L INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-936-4983AES40K500878EE0A15 INTERCHANGEABLE
Setscrew
The American Society of Mechanical Engineers
5306-01-097-5840 INTERCHANGEABLE
Bolt,machine
5306-01-112-78642585163-17 INTERCHANGEABLE
Bolt,machine
Naval Ship Systems Command
5305-01-291-4512 INTERCHANGEABLE
Screw,machine
5305-01-346-1579 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
MS51965-117 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-DTL-18240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51965-117 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-S-200 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS18065-34 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-060-2540INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-115-6184INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5320-00-117-7516INTERCHANGEABLE
RIVET,SOLID
NASM21090
5305-00-340-5424INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189E06P6
5305-00-567-5903INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189-06T5L
5305-00-936-4983INTERCHANGEABLE
SETSCREW
AES40K500878EE0A15
5306-01-097-5840INTERCHANGEABLE
BOLT,MACHINE
5306-01-112-7864INTERCHANGEABLE
BOLT,MACHINE
2585163-17
5305-01-291-4512INTERCHANGEABLE
SCREW,MACHINE
5305-01-346-1579INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-429-5654INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-476-9158INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
218071931A

Frequently Asked Questions

What is NSN 5305-01-039-7553?

NSN 5305-01-039-7553 is a Setscrew, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-01-039-7553?

NSN 5305-01-039-7553 has 6 cross-referenced part numbers: MS51965-117 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-DTL-18240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-18240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51965-117 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-S-200 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 5305-01-039-7553?

There are 12 known substitutes for 5305-01-039-7553: 5305-00-060-2540, 5305-00-115-6184, 5320-00-117-7516 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51965-117?

Key specifications for MS51965-117: Thread Class: 3A A; Width Across Flats: 0.062 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-039-7553 still in active supply?

NSN 5305-01-039-7553 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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