PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35565Screw,cap,socket Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-611-4121 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-611-4121 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-611-4121. Primary manufacturer part number: 35565.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Length: 1.25 MILLIMETERS NOMINAL MM
  • Head Style: HEXAGON
  • Fastener Length: 40.0 MILLIMETERS NOMINAL MM
  • Color: BLACK FASTENER
  • Surface Treatment: BLACK CHEMICAL FINISH FASTENER
  • 3 verified cross-references
  • Primary manufacturer: Fastenal Company Dba Fastenal Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-611-4121, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-611-4121
Primary Part Number35565
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Thread Length1.25 MILLIMETERS NOMINAL MM
Head StyleHEXAGON
Fastener Length40.0 MILLIMETERS NOMINAL MM
ColorBLACK FASTENER
Surface TreatmentBLACK CHEMICAL FINISH FASTENER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2810-00-335-769635565 INTERCHANGEABLE
Body,rear Oil Pump,
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6930-00-443-964635565 INTERCHANGEABLE
Bed Plate
Cae Usa Inc.
5930-00-451-5976002-008C001 INTERCHANGEABLE
Switch,liquid Level
M/j Industries Inc Dba National Control Systems
5935-00-630-65979179487 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
5945-00-939-996135565 INTERCHANGEABLE
Relay Assembly
Grimes Aerospace Company
5133-00-988-5675 INTERCHANGEABLE
Drill,twist
5365-01-355-265635565 INTERCHANGEABLE
Spacer,ring
Allied Systems Company Dba Allied Systems Co
4140-01-551-23325888390-02 INTERCHANGEABLE
Fan,circulating
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
4466427 Oshkosh Defense Llc (USA)
35565 PRIMARY Fastenal Company Dba Fastenal Co (USA)
9901256 Hiab Usa Inc (USA)
Related Parts
2810-00-335-7696INTERCHANGEABLE
BODY,REAR OIL PUMP,
35565
6930-00-443-9646INTERCHANGEABLE
BED PLATE
35565
5930-00-451-5976INTERCHANGEABLE
SWITCH,LIQUID LEVEL
002-008C001
5935-00-630-6597INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
9179487
5945-00-939-9961INTERCHANGEABLE
RELAY ASSEMBLY
35565
5133-00-988-5675INTERCHANGEABLE
DRILL,TWIST
5365-01-355-2656INTERCHANGEABLE
SPACER,RING
35565
4140-01-551-2332INTERCHANGEABLE
FAN,CIRCULATING
5888390-02

Frequently Asked Questions

What is NSN 5305-01-611-4121?

NSN 5305-01-611-4121 is a Screw,cap,socket Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-611-4121?

NSN 5305-01-611-4121 has 3 cross-referenced part numbers: 4466427 (Oshkosh Defense Llc), 35565 (Fastenal Company Dba Fastenal Co), 9901256 (Hiab Usa Inc).

What NSN replaces 5305-01-611-4121?

There are 8 known substitutes for 5305-01-611-4121: 2810-00-335-7696, 6930-00-443-9646, 5930-00-451-5976 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35565?

Key specifications for 35565: Thread Length: 1.25 MILLIMETERS NOMINAL MM; Head Style: HEXAGON; End Item Identification: MRAP-BUFFALO A1; Fastener Length: 40.0 MILLIMETERS NOMINAL MM. 6 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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