PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28402Screw,cap,hexagon Head

Dresser, Llc · NSN 5305-00-107-1597 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-107-1597 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-107-1597. Primary manufacturer part number: 28402.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Head Style: HEXAGON
  • Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Length: 1.062 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-107-1597, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 13 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-107-1597
Primary Part Number28402
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
Width Between Flats0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Head StyleHEXAGON
Reference Number Differentiating CharacteristicsMAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD
Surface TreatmentPASSIVATE OVERALL
Thread Length1.062 INCHES NOMINAL IN
Thread Quantity Per Inch16
Head Height0.245 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Fastener Length2.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-155-746009078-09196 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
2530-00-410-195855740R1 INTERCHANGEABLE
Shield,dust
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
1680-00-494-091528402 INTERCHANGEABLE
Screen Assembly
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
3030-00-528-7207 INTERCHANGEABLE
Belts,v,matched Set
4310-00-690-370728402 INTERCHANGEABLE
Cylinder Head,compressor
Hdt Expeditionary Systems Inc
4820-01-207-0469 INTERCHANGEABLE
Seat,valve
3040-01-207-1030284-02 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4240-01-240-3318 INTERCHANGEABLE
Breathing Apparatus,self-Contain
5930-01-406-859328402 INTERCHANGEABLE
Switch,electronic
Atlas Energy Systems Inc
5930-01-430-914328402 INTERCHANGEABLE
Switch,code Indicating Wheel
Janco Corporation Dba Janco Corp Div Mason Controls
Cross-Reference Index
Part NumberManufacturer
28402 Dresser, Llc (USA)
Related Parts
3110-00-155-7460INTERCHANGEABLE
BEARING,ROLLER,TAPERED
09078-09196
2530-00-410-1958INTERCHANGEABLE
SHIELD,DUST
55740R1
1680-00-494-0915INTERCHANGEABLE
SCREEN ASSEMBLY
28402
3030-00-528-7207INTERCHANGEABLE
BELTS,V,MATCHED SET
4310-00-690-3707INTERCHANGEABLE
CYLINDER HEAD,COMPRESSOR
28402
4820-01-207-0469INTERCHANGEABLE
SEAT,VALVE
3040-01-207-1030INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
284-02
4240-01-240-3318INTERCHANGEABLE
BREATHING APPARATUS,SELF-CONTAIN
5930-01-406-8593INTERCHANGEABLE
SWITCH,ELECTRONIC
28402
5930-01-430-9143INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
28402
4730-01-620-0877INTERCHANGEABLE
ELBOW,PIPE
28402

Frequently Asked Questions

What is NSN 5305-00-107-1597?

NSN 5305-00-107-1597 is a Screw,cap,hexagon Head, manufactured by Dresser, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-107-1597?

NSN 5305-00-107-1597 has 1 cross-referenced part number: 28402 (Dresser, Llc).

What NSN replaces 5305-00-107-1597?

There are 11 known substitutes for 5305-00-107-1597: 3110-00-155-7460, 2530-00-410-1958, 1680-00-494-0915 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28402?

Key specifications for 28402: Width Between Flats: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Material: STEEL CORROSION RESISTING OVERALL; Head Style: HEXAGON. 13 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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