PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51964-64Setscrew

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-724-5811 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-724-5811 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-724-5811. Primary manufacturer part number: MS51964-64.
Features
  • Setscrew — FSC 5305
  • Thread Series Designator: UNF
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Width Across Flats: 0.125 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 28
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
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 5305-00-724-5811, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-724-5811
Primary Part NumberMS51964-64
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 Series DesignatorUNF
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Nominal Thread Diameter0.250 INCHES IN
Width Across Flats0.125 INCHES NOMINAL IN
Thread Quantity Per Inch28
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Thread Length0.250 INCHES MAXIMUM IN
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 StyleCUP
Fastener Length0.250 INCHES NOMINAL IN
Head StyleHEADLESS (SETSCREW)
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5305-00-013-900917Y2523PC180 INTERCHANGEABLE
Setscrew
Naval Ship Systems Command
5305-00-282-4531 INTERCHANGEABLE
Setscrew
5905-00-875-7754139-009 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Mcintosh Laboratory Inc
5305-01-322-8766 INTERCHANGEABLE
Setscrew
5340-01-338-6359139009 INTERCHANGEABLE
Disk,solid,plain
Honeywell International Inc. Div Aerospace - Torrance
Cross-Reference Index
Part NumberManufacturer
FFS200 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5305007245811 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS51964-64 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51964-64 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
139009 Zf Industrieantriebe Witten Gmbh (DEU)
91376A533 Mcmaster-Carr Supply Co (USA)
AN565D428H4 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5305-00-013-9009INTERCHANGEABLE
SETSCREW
17Y2523PC180
5305-00-282-4531INTERCHANGEABLE
SETSCREW
5905-00-875-7754INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
139-009
5305-01-322-8766INTERCHANGEABLE
SETSCREW
5340-01-338-6359INTERCHANGEABLE
DISK,SOLID,PLAIN
139009

Frequently Asked Questions

What is NSN 5305-00-724-5811?

NSN 5305-00-724-5811 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 5305-00-724-5811?

NSN 5305-00-724-5811 has 7 cross-referenced part numbers: FFS200 (Federal Specifications Promulgated by General Services Administration Washington DC), 5305007245811 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), MS51964-64 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS51964-64 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 139009 (Zf Industrieantriebe Witten Gmbh) and 2 more.

What NSN replaces 5305-00-724-5811?

There are 5 known substitutes for 5305-00-724-5811: 5305-00-013-9009, 5305-00-282-4531, 5905-00-875-7754 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51964-64?

Key specifications for MS51964-64: Thread Series Designator: UNF; Surface Treatment: CADMIUM AND CHROMATE OVERALL; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Nominal Thread Diameter: 0.250 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-724-5811 still in active supply?

NSN 5305-00-724-5811 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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