PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122459Screw,cap,hexagon Head

Us Army Aviation and Missile Command · NSN 5305-00-527-4195 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-527-4195 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-527-4195. Primary manufacturer part number: 122459.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 2 GRADE
  • Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 125.0 MICROINCHES BEARING SURFACE OF HEAD
  • Thread Quantity Per Inch: 13
  • Hardness Rating: 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
  • Surface Finish: 63.0 MICROINCHES THREADS
  • Surface Treatment: CADMIUM OR ZINC 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 5305-00-527-4195, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-527-4195
Primary Part Number122459
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 2 GRADE
Material Document and ClassificationSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish125.0 MICROINCHES BEARING SURFACE OF HEAD
Thread Quantity Per Inch13
Hardness Rating80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
Surface Finish63.0 MICROINCHES THREADS
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Thread Length1.250 INCHES MINIMUM IN
Thread Class2A A
Surface Finish125.0 MICROINCHES GRIP
Nominal Thread Diameter0.500 INCHES IN
Fastener Length2.000 INCHES NOMINAL IN
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Head StyleHEXAGON
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Minimum Tensile Strength74000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5305-00-071-2071AEB02C500B00AW9A81 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5310-00-337-83292600-LW INTERCHANGEABLE
Washer,lock
Howmet Global Fastening Systems Inc Div Camloc Products
5330-00-798-7879758120 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
122459 PRIMARY Us Army Aviation and Missile Command (USA)
FF-S-85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
122459 General Motors Corp (USA)
122459 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5305-00-071-2071INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AEB02C500B00AW9A81
5310-00-337-8329INTERCHANGEABLE
WASHER,LOCK
2600-LW
5330-00-798-7879INTERCHANGEABLE
GASKET
758120

Frequently Asked Questions

What is NSN 5305-00-527-4195?

NSN 5305-00-527-4195 is a Screw,cap,hexagon Head, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-527-4195?

NSN 5305-00-527-4195 has 4 cross-referenced part numbers: 122459 (Us Army Aviation and Missile Command), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC), 122459 (General Motors Corp), 122459 (General Motors Llc Dba General Motors Llc).

What NSN replaces 5305-00-527-4195?

There are 3 known substitutes for 5305-00-527-4195: 5305-00-071-2071, 5310-00-337-8329, 5330-00-798-7879. Verify interchangeability with system specifications before substitution.

What are the specifications of 122459?

Key specifications for 122459: Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 2 GRADE; Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Finish: 125.0 MICROINCHES BEARING SURFACE OF HEAD; Thread Quantity Per Inch: 13. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-527-4195 still in active supply?

NSN 5305-00-527-4195 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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