PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511105Screw,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-941-0218 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-941-0218 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-941-0218. Primary manufacturer part number: 511105.
Features
  • Screw,machine — FSC 5305
  • Head Style: HEXAGON
  • Screw Material: STEEL COMP 601
  • Screw Surface Treatment: NICKEL AND CADMIUM
  • Thread Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Fastener Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-941-0218, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-941-0218
Primary Part Number511105
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Head StyleHEXAGON
Screw MaterialSTEEL COMP 601
Screw Surface TreatmentNICKEL AND CADMIUM
Thread Length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Fastener Length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Height0.144 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Hardness Rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch32
Internal Drive StyleSLOT
Nominal Thread Diameter0.190 INCHES IN
Screw Material Document and ClassificationAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
Thread Class3A A
Width Between Flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5930-01-381-7489511.105 INTERCHANGEABLE
Switch,toggle
Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc
5930-01-523-240112485656 INTERCHANGEABLE
Switch,toggle
Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc
Cross-Reference Index
Part NumberManufacturer
511105 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
511105 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
511105 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
511105 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
511105 Sps Technologies, Llc Dba PB Fasteners (USA)
511105 Mercury Aerospace Fasteners Inc (USA)
Related Parts
5930-01-381-7489INTERCHANGEABLE
SWITCH,TOGGLE
511.105
5930-01-523-2401INTERCHANGEABLE
SWITCH,TOGGLE
12485656

Frequently Asked Questions

What is NSN 5305-00-941-0218?

NSN 5305-00-941-0218 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-941-0218?

NSN 5305-00-941-0218 has 6 cross-referenced part numbers: 511105 (Howmet Global Fastening Systems Inc Div Torrance Operations), 511105 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 511105 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 511105 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 511105 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.

What NSN replaces 5305-00-941-0218?

There are 2 known substitutes for 5305-00-941-0218: 5930-01-381-7489, 5930-01-523-2401. Verify interchangeability with system specifications before substitution.

What are the specifications of 511105?

Key specifications for 511105: Head Style: HEXAGON; Screw Material: STEEL COMP 601; Screw Surface Treatment: NICKEL AND CADMIUM; Thread Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-941-0218 still in active supply?

NSN 5305-00-941-0218 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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