PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1352-4-28Screw,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-109-1343 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-109-1343 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-109-1343. Primary manufacturer part number: NAS1352-4-28.
Features
  • Screw,cap,socket Head — FSC 5305
  • Minimum Tensile Strength: 170000 POUNDS PER SQUARE INCH LBS
  • Head Style: FLAT CHAMFER
  • Thread Series Designator: UNRC
  • Minimum Yield Strength: 150000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Thread Length: 1.000 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-109-1343, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-109-1343
Primary Part NumberNAS1352-4-28
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
Minimum Tensile Strength170000 POUNDS PER SQUARE INCH LBS
Head StyleFLAT CHAMFER
Thread Series DesignatorUNRC
Minimum Yield Strength150000 POUNDS PER SQUARE INCH LBS
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentOXIDE OVERALL
Thread Length1.000 INCHES MINIMUM IN
Internal Drive StyleHEXAGON
Width Across Flats0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
Fastener Length1.710 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-C-13924 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Head Diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Specification/standard Data80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Thread Class3A A
Nominal Thread Diameter0.250 INCHES IN
Head Height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-292-32203731-101 INTERCHANGEABLE
Screw,cap,socket Head
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
NAS1352-4-28 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
3731101 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
Related Parts
5305-01-292-3220INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
3731-101

Frequently Asked Questions

What is NSN 5305-01-109-1343?

NSN 5305-01-109-1343 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 5305-01-109-1343?

NSN 5305-01-109-1343 has 2 cross-referenced part numbers: NAS1352-4-28 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 3731101 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division).

What NSN replaces 5305-01-109-1343?

There is 1 known substitute for 5305-01-109-1343: 5305-01-292-3220. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1352-4-28?

Key specifications for NAS1352-4-28: Minimum Tensile Strength: 170000 POUNDS PER SQUARE INCH LBS; Head Style: FLAT CHAMFER; Thread Series Designator: UNRC; Minimum Yield Strength: 150000 POUNDS PER SQUARE INCH LBS. 19 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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