PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57305Screw,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-149-9684 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-149-9684 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-149-9684. Primary manufacturer part number: 57305.
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 2.290 INCHES MINIMUM AND 2.310 INCHES MAXIMUM IN
  • Head Style: FLAT COUNTERSUNK
  • Thread Quantity Per Inch: 24
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Thread Series Designator: UNF
  • Screw Material: STEEL COMP 8740
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-149-9684, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-149-9684
Primary Part Number57305
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Fastener Length2.290 INCHES MINIMUM AND 2.310 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch24
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Nominal Thread Diameter0.312 INCHES IN
Thread Series DesignatorUNF
Screw MaterialSTEEL COMP 8740
Thread Class3A A
Thread Length0.380 INCHES MAXIMUM IN
Screw Surface TreatmentCADMIUM
Head Diameter0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Screw Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
Countersink Angle82.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-445-83895730 INTERCHANGEABLE
Retainer,electrical Switch
Goodrich Aerospace Canada Ltd
5915-00-823-4970 INTERCHANGEABLE
Filter,band Pass
5342-00-877-3080520869 INTERCHANGEABLE
Clevis,forged
Hadco Engineering Inc
2925-00-960-472612276 REV 1 INTERCHANGEABLE
Cover Assembly,exciter
Unison Industries, Llc Dba Unison Industries Inc
4910-01-047-7682 INTERCHANGEABLE
Gage Coil Temp Comp
5305-01-410-7070DD-1833 ITEM 17 INTERCHANGEABLE
Screw,cap,hexagon Head
Cunico Corporation
Cross-Reference Index
Part NumberManufacturer
57305 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5930-00-445-8389INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
5730
5915-00-823-4970INTERCHANGEABLE
FILTER,BAND PASS
5342-00-877-3080INTERCHANGEABLE
CLEVIS,FORGED
520869
2925-00-960-4726INTERCHANGEABLE
COVER ASSEMBLY,EXCITER
12276 REV 1
4910-01-047-7682INTERCHANGEABLE
GAGE COIL TEMP COMP
5305-01-410-7070INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
DD-1833 ITEM 17

Frequently Asked Questions

What is NSN 5305-00-149-9684?

NSN 5305-00-149-9684 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-149-9684?

NSN 5305-00-149-9684 has 1 cross-referenced part number: 57305 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-149-9684?

There are 6 known substitutes for 5305-00-149-9684: 5930-00-445-8389, 5915-00-823-4970, 5342-00-877-3080 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57305?

Key specifications for 57305: Special Features: 1 HOLE 0.125 IN. DIA,0.140 IN. DEEP DRILLED PARALLEL TO LONGITUDINAL AXIS IN; Fastener Length: 2.290 INCHES MINIMUM AND 2.310 INCHES MAXIMUM IN; Head Style: FLAT COUNTERSUNK; Thread Quantity Per Inch: 24. 16 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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