PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

612417Screw,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-177-5611 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-177-5611 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-177-5611. Primary manufacturer part number: 612417.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Screw Surface Treatment: CADMIUM
  • Thread Class: 3A A
  • Screw Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
  • Thread Quantity Per Inch: 32
  • Thread Series Designator: UNJC
  • Head Style: FLAT COUNTERSUNK UNDERCUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-177-5611, 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 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-177-5611
Primary Part Number612417
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Internal Drive StyleSLOT
Screw Surface TreatmentCADMIUM
Thread Class3A A
Screw Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
Thread Quantity Per Inch32
Thread Series DesignatorUNJC
Head StyleFLAT COUNTERSUNK UNDERCUT
Screw MaterialSTEEL COMP 8740
Thread DirectionRIGHT-HAND
Thread Length0.685 INCHES MINIMUM AND 0.715 INCHES MAXIMUM IN
Head Diameter0.285 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
Nominal Thread Diameter0.164 INCHES IN
Countersink Angle100.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Head Height0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
Fastener Length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Screw Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-221-3844612417 INTERCHANGEABLE
Nut,plain,round
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6750-01-382-1474 INTERCHANGEABLE
Paper,photographic
Cross-Reference Index
Part NumberManufacturer
612417 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-221-3844INTERCHANGEABLE
NUT,PLAIN,ROUND
612417
6750-01-382-1474INTERCHANGEABLE
PAPER,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5305-00-177-5611?

NSN 5305-00-177-5611 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 5305-00-177-5611?

NSN 5305-00-177-5611 has 1 cross-referenced part number: 612417 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-177-5611?

There are 2 known substitutes for 5305-00-177-5611: 5310-00-221-3844, 6750-01-382-1474. Verify interchangeability with system specifications before substitution.

What are the specifications of 612417?

Key specifications for 612417: Internal Drive Style: SLOT; Screw Surface Treatment: CADMIUM; Thread Class: 3A A; Screw Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE. 17 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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