PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1248Screw,machine

Telemechanics Inc · NSN 5305-00-285-5576 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-285-5576 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-285-5576. Primary manufacturer part number: 1248.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Screw Surface Treatment: CHROMATE ZINC
  • Thread Series Designator: UNF
  • Features Provided: CASEHARDENED
  • Thread Class: 3A A
  • Head Style: FLAT CHAMFER
  • Head Diameter: 0.268 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-285-5576, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-285-5576
Primary Part Number1248
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Internal Drive StyleSLOT
Screw Surface TreatmentCHROMATE ZINC
Thread Series DesignatorUNF
Features ProvidedCASEHARDENED
Thread Class3A A
Head StyleFLAT CHAMFER
Head Diameter0.268 INCHES NOMINAL IN
Thread Quantity Per Inch40
Thread DirectionRIGHT-HAND
Thread Length0.424 INCHES MINIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Screw MaterialSTEEL
Head Height0.076 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-019-09181248 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5985-00-148-82321248 INTERCHANGEABLE
Circulator,radio Frequency
Raytheon Company Dba Raytheon
5120-00-203-4804 INTERCHANGEABLE
Wrench,open End
6145-00-233-54501870 INTERCHANGEABLE
Cable,special Purpose,electrical
Birnbach Co Inc
5120-00-277-8834 INTERCHANGEABLE
Wrench,box and Open End,combinat
9540-00-288-3731 INTERCHANGEABLE
Angle,structural
5940-00-331-1453124-169 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
6740-00-404-0083 INTERCHANGEABLE
Gate,main Casting
5365-00-487-27801248 INTERCHANGEABLE
Ring,grind,disposal
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
6615-00-680-6678637-0081-001 INTERCHANGEABLE
Bearing,rotor
Acron Aviation, Inc.
Cross-Reference Index
Part NumberManufacturer
1248 PRIMARY Telemechanics Inc (USA)
Related Parts
6240-00-019-0918INTERCHANGEABLE
LAMP,INCANDESCENT
1248
5985-00-148-8232INTERCHANGEABLE
CIRCULATOR,RADIO FREQUENCY
1248
5120-00-203-4804INTERCHANGEABLE
WRENCH,OPEN END
6145-00-233-5450INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1870
5120-00-277-8834INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
9540-00-288-3731INTERCHANGEABLE
ANGLE,STRUCTURAL
5940-00-331-1453INTERCHANGEABLE
TERMINAL,LUG
124-169
6740-00-404-0083INTERCHANGEABLE
GATE,MAIN CASTING
5365-00-487-2780INTERCHANGEABLE
RING,GRIND,DISPOSAL
1248
6615-00-680-6678INTERCHANGEABLE
BEARING,ROTOR
637-0081-001
5975-00-789-3384INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
GL200
5985-00-802-5508INTERCHANGEABLE
SUPPORT RING,ANTENNA

Frequently Asked Questions

What is NSN 5305-00-285-5576?

NSN 5305-00-285-5576 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-285-5576?

NSN 5305-00-285-5576 has 1 cross-referenced part number: 1248 (Telemechanics Inc).

What NSN replaces 5305-00-285-5576?

There are 12 known substitutes for 5305-00-285-5576: 6240-00-019-0918, 5985-00-148-8232, 5120-00-203-4804 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1248?

Key specifications for 1248: Internal Drive Style: SLOT; Screw Surface Treatment: CHROMATE ZINC; Thread Series Designator: UNF; Features Provided: CASEHARDENED. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-285-5576 still in active supply?

NSN 5305-00-285-5576 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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