PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AIC618-4-6Screw,close Tolerance

Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company · NSN 5305-01-655-1834 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-655-1834 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-655-1834. Primary manufacturer part number: AIC618-4-6.
Features
  • Screw,close Tolerance — FSC 5305
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
  • Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM ALL HOLES IN
  • Surface Treatment: CADMIUM OVERALL
  • Internal Drive Style: OFFSET CRUCIFORM (TORQUE SET)
  • Material: STEEL COMP H11 OVERALL
  • Nominal Thread Diameter: 0.2500 INCHES IN
  • Material Document and Classification: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp H11 Overall construction
General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-01-655-1834, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-01-655-1834
Primary Part NumberAIC618-4-6
Item NameScrew,close Tolerance
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba Air Industries Company Div Air Industries Company
StatusACTIVE
Hardness Rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
Shank Unthreaded Hole Diameter0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM ALL HOLES IN
Surface TreatmentCADMIUM OVERALL
Internal Drive StyleOFFSET CRUCIFORM (TORQUE SET)
MaterialSTEEL COMP H11 OVERALL
Nominal Thread Diameter0.2500 INCHES IN
Material Document and ClassificationAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Minimum Tensile Strength220000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Thread Class3A A
Fastener Length0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Thread Length0.403 INCHES NOMINAL IN
Grip Diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
Head Diameter0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Single Shear StrengthERR-060
Grip Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-669-536493926-4-6 INTERCHANGEABLE
Screw,close Tolerance
Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana
Cross-Reference Index
Part NumberManufacturer
AIC618-4-6 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
Related Parts
5305-01-669-5364INTERCHANGEABLE
SCREW,CLOSE TOLERANCE
93926-4-6

Frequently Asked Questions

What is NSN 5305-01-655-1834?

NSN 5305-01-655-1834 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-655-1834?

NSN 5305-01-655-1834 has 1 cross-referenced part number: AIC618-4-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).

What NSN replaces 5305-01-655-1834?

There is 1 known substitute for 5305-01-655-1834: 5305-01-669-5364. Verify interchangeability with system specifications before substitution.

What are the specifications of AIC618-4-6?

Key specifications for AIC618-4-6: Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM ALL HOLES IN; Surface Treatment: CADMIUM OVERALL; Internal Drive Style: OFFSET CRUCIFORM (TORQUE SET). 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com