PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1801-06-7Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-145-8349 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-145-8349 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-145-8349. Primary manufacturer part number: NAS1801-06-7.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Thread Quantity Per Inch: 32
  • Screw Material: STEEL COMP E4340 OR STEEL COMP 8740
  • Fastener Length: 0.422 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Thread Series Designator: UNJC
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
  • Screw Material Document and Classification: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-145-8349, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-145-8349
Primary Part NumberNAS1801-06-7
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Nominal Thread Diameter0.138 INCHES IN
Thread Quantity Per Inch32
Screw MaterialSTEEL COMP E4340 OR STEEL COMP 8740
Fastener Length0.422 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Thread Series DesignatorUNJC
Hardness Rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Screw Material Document and ClassificationMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Screw Surface TreatmentCADMIUM AND CHROMATE
Head Height0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Specification/standard Data80205-NAS1801 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Length0.360 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Head StyleHEXAGON
Width Between Flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE
Thread DirectionRIGHT-HAND
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5961-01-301-6975 INTERCHANGEABLE
Semiconductor Devices,unitized
Cross-Reference Index
Part NumberManufacturer
NAS1801-06-7 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5305PL1675367 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10115426 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5961-01-301-6975INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED

Frequently Asked Questions

What is NSN 5305-01-145-8349?

NSN 5305-01-145-8349 is a Screw,machine, 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 5305-01-145-8349?

NSN 5305-01-145-8349 has 3 cross-referenced part numbers: NAS1801-06-7 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 5305PL1675367 (Jednolity Indeks Materialowy - Uniform Material Index), 10115426 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5305-01-145-8349?

There is 1 known substitute for 5305-01-145-8349: 5961-01-301-6975. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1801-06-7?

Key specifications for NAS1801-06-7: Nominal Thread Diameter: 0.138 INCHES IN; Thread Quantity Per Inch: 32; Screw Material: STEEL COMP E4340 OR STEEL COMP 8740; Fastener Length: 0.422 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-145-8349 still in active supply?

NSN 5305-01-145-8349 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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