PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1352C6LL20Screw,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-158-2024 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-158-2024 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-158-2024. Primary manufacturer part number: NAS1352C6LL20.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Locking Feature: STRIP THREADS
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
  • Material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE
  • Width Across Flats: 0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Feature construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-158-2024, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-158-2024
Primary Part NumberNAS1352C6LL20
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Fastener Length1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
Thread Class2A A
Nominal Thread Diameter0.375 INCHES IN
Locking FeatureSTRIP THREADS
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
MaterialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
Width Across Flats0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE FASTENER
Minimum Tensile Strength170000 POUNDS PER SQUARE INCH LBS
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Minimum Yield Strength150000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleHEXAGON
Material Document and ClassificationASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
Head StyleFLAT CHAMFER
MaterialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 FASTENER
Thread Quantity Per Inch16
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Length1.105 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
Head Diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9905-00-077-1499 INTERCHANGEABLE
Plate,instruction
5136-00-197-95677254 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
3110-00-221-979431314 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-01-057-131731314 INTERCHANGEABLE
Bearing,roller,cone
Skf Usa Inc.
6680-01-184-739431314 INTERCHANGEABLE
Rack,mounting,gage
Setra Systems, Inc. Dba Gems Sensors
5985-01-350-3823ATT-0313-14-BNC-10 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
4330-01-389-040131314 INTERCHANGEABLE
Filter Element,fluid
Greenlee Textron Inc.
5306-01-598-280631314 INTERCHANGEABLE
Bolt,machine
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
14-28350 ITEM 24 Moog Inc. Dba Ampac-Isp Corp (USA)
31314 Moog Inc. Dba Ampac-Isp Corp (USA)
NAS1352C6LL20 Naval Air Development Center Warminster Navairsyscom Hq (USA)
NAS1352C6LL20 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
9905-00-077-1499INTERCHANGEABLE
PLATE,INSTRUCTION
5136-00-197-9567INTERCHANGEABLE
DIE,RETHREADING
7254
3110-00-221-9794INTERCHANGEABLE
BEARING,ROLLER,TAPERED
31314
3110-01-057-1317INTERCHANGEABLE
BEARING,ROLLER,CONE
31314
6680-01-184-7394INTERCHANGEABLE
RACK,MOUNTING,GAGE
31314
5985-01-350-3823INTERCHANGEABLE
ATTENUATOR,FIXED
ATT-0313-14-BNC-10
4330-01-389-0401INTERCHANGEABLE
FILTER ELEMENT,FLUID
31314
5306-01-598-2806INTERCHANGEABLE
BOLT,MACHINE
31314

Frequently Asked Questions

What is NSN 5305-01-158-2024?

NSN 5305-01-158-2024 is a Screw,cap,socket 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: active.

What are the part numbers for NSN 5305-01-158-2024?

NSN 5305-01-158-2024 has 4 cross-referenced part numbers: 14-28350 ITEM 24 (Moog Inc. Dba Ampac-Isp Corp), 31314 (Moog Inc. Dba Ampac-Isp Corp), NAS1352C6LL20 (Naval Air Development Center Warminster Navairsyscom Hq), NAS1352C6LL20 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-01-158-2024?

There are 8 known substitutes for 5305-01-158-2024: 9905-00-077-1499, 5136-00-197-9567, 3110-00-221-9794 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1352C6LL20?

Key specifications for NAS1352C6LL20: Fastener Length: 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN; Thread Class: 2A A; Nominal Thread Diameter: 0.375 INCHES IN; Locking Feature: STRIP THREADS. 21 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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