PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3B41741A09Screw,externally Relieved Body

General Dynamics Mission Systems, Inc. Dba Gdms · NSN 5305-00-115-6250 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-115-6250 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-115-6250. Primary manufacturer part number: 3B41741A09.
Features
  • Screw,externally Relieved Body — FSC 5305
  • First Diameter From Head: 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Internal Drive Style: SLOT
  • Extended Washer Thickness: 0.015 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
  • Fastener Length: 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
  • Extended Washer Diameter: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
  • Surface Treatment: CHROMATE OVERALL
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 2.345 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-115-6250, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-115-6250
Primary Part Number3B41741A09
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc. Dba Gdms
StatusCANCELLED
First Diameter From Head0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Extended Washer Thickness0.015 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
Fastener Length3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
Extended Washer Diameter0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
Surface TreatmentCHROMATE OVERALL
Distance From Largest Bearing Surface of Head to End of First Diameter2.345 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
Thread Length0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
Head StyleHEXAGON EXTENDED WASHER
MaterialSTEEL COMP 1020 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF
Thread Quantity Per Inch32
Head Height0.160 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Width Between Flats0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Surface Treatment Document and Classification135410027 FSCM 94990 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Thread Class2A A
Externally Relieved Body Diameter Quantity1
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength90000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-143-3049 INTERCHANGEABLE
Lamp,incandescent
3455-00-224-8925 INTERCHANGEABLE
File,rotary
5340-00-290-4573 INTERCHANGEABLE
Button,plug
1650-00-349-548550711 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
5930-00-356-3392SC-B-69941 INTERCHANGEABLE
Switch Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-00-447-65170120143 INTERCHANGEABLE
Pin
New Holland Construction
5640-00-580-62764218-W3 INTERCHANGEABLE
Insulation Tape,thermal
Nu-Calgon Wholesaler Inc
1560-00-650-6833751242-1 INTERCHANGEABLE
Duct,water Boiler
Lockheed Martin Corp
2520-00-770-275250-71-1 INTERCHANGEABLE
Poppet,power Takeof
Dana Corp Spicer Transmission Div
3030-00-891-0722 INTERCHANGEABLE
Belts,v,matched Set
Cross-Reference Index
Part NumberManufacturer
50711 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
3B41741A09 PRIMARY General Dynamics Mission Systems, Inc. Dba Gdms (USA)
20-143 Motorola Inc. Dba Integrated Information Systems Group (USA)
20-143 PRIMARY General Dynamics Mission Systems, Inc. Dba Gdms (USA)
3B41741A09 Motorola Inc. Dba Integrated Information Systems Group (USA)
Related Parts
6240-00-143-3049INTERCHANGEABLE
LAMP,INCANDESCENT
3455-00-224-8925INTERCHANGEABLE
FILE,ROTARY
5340-00-290-4573INTERCHANGEABLE
BUTTON,PLUG
1650-00-349-5485INTERCHANGEABLE
FILTER ELEMENT,FLUID
50711
5930-00-356-3392INTERCHANGEABLE
SWITCH SUBASSEMBLY
SC-B-69941
5315-00-447-6517INTERCHANGEABLE
PIN
0120143
5640-00-580-6276INTERCHANGEABLE
INSULATION TAPE,THERMAL
4218-W3
1560-00-650-6833INTERCHANGEABLE
DUCT,WATER BOILER
751242-1
2520-00-770-2752INTERCHANGEABLE
POPPET,POWER TAKEOF
50-71-1
3030-00-891-0722INTERCHANGEABLE
BELTS,V,MATCHED SET
4730-01-018-9113INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
431050-001
1680-01-047-0052INTERCHANGEABLE
CUSHION,SEAT,AIRCRAFT
182C0059

Frequently Asked Questions

What is NSN 5305-00-115-6250?

NSN 5305-00-115-6250 is a Screw,externally Relieved Body, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-115-6250?

NSN 5305-00-115-6250 has 5 cross-referenced part numbers: 50711 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 3B41741A09 (General Dynamics Mission Systems, Inc. Dba Gdms), 20-143 (Motorola Inc. Dba Integrated Information Systems Group), 20-143 (General Dynamics Mission Systems, Inc. Dba Gdms), 3B41741A09 (Motorola Inc. Dba Integrated Information Systems Group).

What NSN replaces 5305-00-115-6250?

There are 12 known substitutes for 5305-00-115-6250: 6240-00-143-3049, 3455-00-224-8925, 5340-00-290-4573 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3B41741A09?

Key specifications for 3B41741A09: First Diameter From Head: 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Internal Drive Style: SLOT; Extended Washer Thickness: 0.015 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Fastener Length: 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-115-6250 still in active supply?

NSN 5305-00-115-6250 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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