PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1352-6LE64PScrew,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-104-5078 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-104-5078 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-104-5078. Primary manufacturer part number: NAS1352-6LE64P.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Width Across Flats: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
  • Fastener Length: 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN
  • Head Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS
  • Material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE
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 5305-00-104-5078, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-104-5078
Primary Part NumberNAS1352-6LE64P
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
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Across Flats0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
Fastener Length3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN
Head Diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Hardness Rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
MaterialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
Locking FeaturePATCH OR PELLET OR STRIP THREADS
MaterialSTEEL FASTENER
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Nominal Thread Diameter0.375 INCHES IN
Thread Quantity Per Inch16
Surface TreatmentCADMIUM AND CHROMATE FASTENER
Departure From Cited DesignatorAS MODIFIED BY LOCKING FEATURE AND THD LG
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Thread Length1.250 INCHES MINIMUM IN
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Thread Class3A A
Nondefinitive Spec/std Data6 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5331-00-081-93011355-908 INTERCHANGEABLE
O-Ring
Woodward, Inc. Div Fuel Systems and Controls
9540-00-288-0463 INTERCHANGEABLE
Beam,structural
3110-00-763-0259L68149 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2520-01-141-531231332 INTERCHANGEABLE
Clutch,magnetic,vehicular
Purolator Products Co Div Motor Components, Llc
5331-01-423-404331332 INTERCHANGEABLE
O-Ring
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6525-01-522-465131332 INTERCHANGEABLE
Viewer,dental Radiographic Film
Clive Craig Inc
Cross-Reference Index
Part NumberManufacturer
31332 Moog Inc. Dba Ampac-Isp Corp (USA)
32-31465 ITEM 15 Moog Inc. Dba Ampac-Isp Corp (USA)
LK1352-6LE64P Torkon Fastener Corp (USA)
FFS86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NAS1352-6LE64P PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5331-00-081-9301INTERCHANGEABLE
O-RING
1355-908
9540-00-288-0463INTERCHANGEABLE
BEAM,STRUCTURAL
3110-00-763-0259INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
L68149
2520-01-141-5312INTERCHANGEABLE
CLUTCH,MAGNETIC,VEHICULAR
31332
5331-01-423-4043INTERCHANGEABLE
O-RING
31332
6525-01-522-4651INTERCHANGEABLE
VIEWER,DENTAL RADIOGRAPHIC FILM
31332

Frequently Asked Questions

What is NSN 5305-00-104-5078?

NSN 5305-00-104-5078 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 5305-00-104-5078?

NSN 5305-00-104-5078 has 5 cross-referenced part numbers: 31332 (Moog Inc. Dba Ampac-Isp Corp), 32-31465 ITEM 15 (Moog Inc. Dba Ampac-Isp Corp), LK1352-6LE64P (Torkon Fastener Corp), FFS86 (Federal Specifications Promulgated by General Services Administration Washington DC), NAS1352-6LE64P (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-104-5078?

There are 6 known substitutes for 5305-00-104-5078: 5331-00-081-9301, 9540-00-288-0463, 3110-00-763-0259 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1352-6LE64P?

Key specifications for NAS1352-6LE64P: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN; Fastener Length: 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN; Head Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN. 22 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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