PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131485Screw,cap,hexagon Head

Eaton Aerospace, Llc Dba Jackson South · NSN 5305-00-359-4381 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-359-4381 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-359-4381. Primary manufacturer part number: 131485.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Fastener Length: 2.688 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Head Height: 0.312 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-359-4381, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-359-4381
Primary Part Number131485
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Head StyleHEXAGON
Fastener Length2.688 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Head Height0.312 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch13
Thread Class3A A
Width Between Flats0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.500 INCHES IN
Thread Length1.250 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-013-1485131485 INTERCHANGEABLE
Nut,plain,cap
Allison Transmission Inc Dba Allison Transmission, Inc
5810-00-565-8108 INTERCHANGEABLE
Case Assembly
3020-01-189-8883131485 INTERCHANGEABLE
Gear Cluster
Astronautics Corporation of America
Cross-Reference Index
Part NumberManufacturer
131485 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
857394 Clark Equipment Co (USA)
10A6459 Napco International Llc Dba Napco International Inc (USA)
Related Parts
5310-00-013-1485INTERCHANGEABLE
NUT,PLAIN,CAP
131485
5810-00-565-8108INTERCHANGEABLE
CASE ASSEMBLY
3020-01-189-8883INTERCHANGEABLE
GEAR CLUSTER
131485

Frequently Asked Questions

What is NSN 5305-00-359-4381?

NSN 5305-00-359-4381 is a Screw,cap,hexagon Head, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-359-4381?

NSN 5305-00-359-4381 has 3 cross-referenced part numbers: 131485 (Eaton Aerospace, Llc Dba Jackson South), 857394 (Clark Equipment Co), 10A6459 (Napco International Llc Dba Napco International Inc).

What NSN replaces 5305-00-359-4381?

There are 3 known substitutes for 5305-00-359-4381: 5310-00-013-1485, 5810-00-565-8108, 3020-01-189-8883. Verify interchangeability with system specifications before substitution.

What are the specifications of 131485?

Key specifications for 131485: Head Style: HEXAGON; Fastener Length: 2.688 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL. 13 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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