PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1611203PC1Screw,cap,socket Head

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5305-00-034-1242 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-034-1242 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-034-1242. Primary manufacturer part number: 1611203PC1.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Class: 3A A
  • Locking Feature: PELLET THREADS
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Width Across Flats: 0.071 INCHES NOMINAL IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Head Style: FLAT COUNTERSUNK
  • Thread Quantity Per Inch: 32
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 or Steel Comp 4042 or Steel Comp 8740 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-034-1242, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-034-1242
Primary Part Number1611203PC1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread Class3A A
Locking FeaturePELLET THREADS
Countersink Angle82.0 DEGREES NOMINAL
Width Across Flats0.071 INCHES NOMINAL IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch32
Surface TreatmentZINC OVERALL
Internal Drive StyleHEXAGON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Thread Length0.375 INCHES MAXIMUM IN
Fastener Length0.375 INCHES NOMINAL IN
Head Diameter0.168 INCHES NOMINAL IN
MaterialSTEEL COMP 4037 OR STEEL COMP 4042 OR STEEL COMP 8740 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-189-3018 INTERCHANGEABLE
Elbow,pipe to Tube
4720-00-262-1108 INTERCHANGEABLE
Hose Assembly,nonmetallic
5315-00-358-97761246C211 INTERCHANGEABLE
Pin,straight,headed
Meritor Industrial Products, Llc
5930-00-583-89095274 INTERCHANGEABLE
Switch,foot
Illinois Tool Works, Inc. Div Magnaflux
5310-00-784-1684E9BS1024C INTERCHANGEABLE
Nut,self-Locking,hexagon
Textron Inc Townsend Div
5935-00-823-08022314335 INTERCHANGEABLE
Connector,plug,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-01-005-3579 INTERCHANGEABLE
Connector,plug,electrical
6145-01-150-60185274C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
5120-01-399-9741 INTERCHANGEABLE
Socket,socket Wrench
1660-01-545-53835274 INTERCHANGEABLE
Yoke Filler Assembl
Fluid Power, Inc.
Cross-Reference Index
Part NumberManufacturer
1611203PC1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5274 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
4730-00-189-3018INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4720-00-262-1108INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5315-00-358-9776INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1246C211
5930-00-583-8909INTERCHANGEABLE
SWITCH,FOOT
5274
5310-00-784-1684INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
E9BS1024C
5935-00-823-0802INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2314335
5935-01-005-3579INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6145-01-150-6018INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5274C
5120-01-399-9741INTERCHANGEABLE
SOCKET,SOCKET WRENCH
1660-01-545-5383INTERCHANGEABLE
YOKE FILLER ASSEMBL
5274

Frequently Asked Questions

What is NSN 5305-00-034-1242?

NSN 5305-00-034-1242 is a Screw,cap,socket Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-034-1242?

NSN 5305-00-034-1242 has 2 cross-referenced part numbers: 1611203PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 5274 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5305-00-034-1242?

There are 10 known substitutes for 5305-00-034-1242: 4730-00-189-3018, 4720-00-262-1108, 5315-00-358-9776 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1611203PC1?

Key specifications for 1611203PC1: Thread Class: 3A A; Locking Feature: PELLET THREADS; Countersink Angle: 82.0 DEGREES NOMINAL; Width Across Flats: 0.071 INCHES NOMINAL IN. 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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