PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS90726-55Screw,cap,hexagon Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-269-2798 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-269-2798 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-269-2798. Primary manufacturer part number: MS90726-55.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Head Style: HEXAGON
  • Thread Class: 2A A
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Minimum Yield Strength: 85000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-269-2798, 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 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
NSN5305-00-269-2798
Primary Part NumberMS90726-55
Item NameScrew,cap,hexagon Head
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 DirectionRIGHT-HAND
Head StyleHEXAGON
Thread Class2A A
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Minimum Yield Strength85000 POUNDS PER SQUARE INCH LBS
Hardness Rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Quantity Per Inch24
Thread Length0.500 INCHES MAXIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4720-00-107-1208 INTERCHANGEABLE
Hose Assembly,nonmetallic
5305-00-206-62353214529 INTERCHANGEABLE
Screw,cap,hexagon Head
Hatch & Kirk, Inc.
5305-00-269-3231AES01F375500FAW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
American National Standards Institute Incorporated Dba American National Standards Institute
5360-01-195-5586251571 INTERCHANGEABLE
Relief Valve Spring
Dana Off Highway Products, Llc
4730-01-264-139525157-1 INTERCHANGEABLE
Clamp,hose,special-Shaped
Solar Turbines Incorporated Dba Solar Turbines Incorporated
Cross-Reference Index
Part NumberManufacturer
M650 Gardner Denver Inc. (USA)
251571 Daf Trucks N.v. (NLD)
MS90726-55 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS90726-55 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5305002692798 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
70008-55 Little Giant Crane and Shovel Inc (USA)
Related Parts
4720-00-107-1208INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5305-00-206-6235INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3214529
5305-00-269-3231INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01F375500FAW9A91
5360-01-195-5586INTERCHANGEABLE
RELIEF VALVE SPRING
251571
4730-01-264-1395INTERCHANGEABLE
CLAMP,HOSE,SPECIAL-SHAPED
25157-1

Frequently Asked Questions

What is NSN 5305-00-269-2798?

NSN 5305-00-269-2798 is a Screw,cap,hexagon Head, 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 5305-00-269-2798?

NSN 5305-00-269-2798 has 6 cross-referenced part numbers: M650 (Gardner Denver Inc.), 251571 (Daf Trucks N.v.), MS90726-55 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS90726-55 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 5305002692798 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 1 more.

What NSN replaces 5305-00-269-2798?

There are 5 known substitutes for 5305-00-269-2798: 4720-00-107-1208, 5305-00-206-6235, 5305-00-269-3231 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS90726-55?

Key specifications for MS90726-55: Thread Direction: RIGHT-HAND; Head Style: HEXAGON; Thread Class: 2A A; Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-269-2798 still in active supply?

NSN 5305-00-269-2798 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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