PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7155Screw,machine

Del Mar Avionics, Llc · NSN 5305-00-068-8357 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-068-8357 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-068-8357. Primary manufacturer part number: 7155.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.109 INCHES NOMINAL IN
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Series Designator: UNF
  • Countersink Angle: 100.0 DEGREES NOMINAL
  • Head Style: FLAT COUNTERSUNK UNDERCUT
  • Screw Surface Treatment: PASSIVATE
  • Fastener Length: 0.704 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-068-8357, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Del Mar Avionics, Llc. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-068-8357
Primary Part Number7155
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDel Mar Avionics, Llc
StatusACTIVE
Head Height0.109 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Thread Series DesignatorUNF
Countersink Angle100.0 DEGREES NOMINAL
Head StyleFLAT COUNTERSUNK UNDERCUT
Screw Surface TreatmentPASSIVATE
Fastener Length0.704 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch28
Head Diameter0.470 INCHES NOMINAL IN
Thread Length0.360 INCHES MINIMUM IN
Screw MaterialSTEEL CORROSION RESISTING
Thread DirectionRIGHT-HAND
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-123-7648128 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
1560-00-320-85127155 INTERCHANGEABLE
Extension Assy,e,ha
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5330-00-500-37267155 INTERCHANGEABLE
Gasket
Robert H Wager Co Inc
3439-00-947-5389 INTERCHANGEABLE
Tip,electric Soldering Iron
5950-01-013-7367984751-1C INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Dba Raytheon
5995-01-028-9324467098-801 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Raytheon Company
4320-01-130-7230DS-936294 INTERCHANGEABLE
Plate,cam,pump
Eaton Aerospace, Llc Dba Jackson South
4810-01-222-79777155 INTERCHANGEABLE
Valve,solenoid
Edro Corporation, the Dba Edro Corp
5998-01-241-54237155 INTERCHANGEABLE
Circuit Card Assembly
Quarterwave Corp.
5950-01-244-1694 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
7155 Del Mar Avionics, Llc (USA)
Related Parts
6240-00-123-7648INTERCHANGEABLE
LAMP,INCANDESCENT
128
1560-00-320-8512INTERCHANGEABLE
EXTENSION ASSY,E,HA
7155
5330-00-500-3726INTERCHANGEABLE
GASKET
7155
3439-00-947-5389INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
5950-01-013-7367INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
984751-1C
5995-01-028-9324INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
467098-801
4320-01-130-7230INTERCHANGEABLE
PLATE,CAM,PUMP
DS-936294
4810-01-222-7977INTERCHANGEABLE
VALVE,SOLENOID
7155
5998-01-241-5423INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7155
5950-01-244-1694INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-268-7308INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7155
4820-01-295-2441INTERCHANGEABLE
VALVE,PLUG
9559T4CC

Frequently Asked Questions

What is NSN 5305-00-068-8357?

NSN 5305-00-068-8357 is a Screw,machine, manufactured by Del Mar Avionics, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-068-8357?

NSN 5305-00-068-8357 has 1 cross-referenced part number: 7155 (Del Mar Avionics, Llc).

What NSN replaces 5305-00-068-8357?

There are 12 known substitutes for 5305-00-068-8357: 6240-00-123-7648, 1560-00-320-8512, 5330-00-500-3726 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7155?

Key specifications for 7155: Head Height: 0.109 INCHES NOMINAL IN; Internal Drive Style: CROSS RECESS TYPE 1; Thread Series Designator: UNF; Countersink Angle: 100.0 DEGREES NOMINAL. 14 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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