PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11261Setscrew

Naval Inventory Control Point Mechanicsburg · NSN 5305-00-916-6686 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-916-6686 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-916-6686. Primary manufacturer part number: 11261.
Features
  • Setscrew — FSC 5305
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Length: 0.750 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 40
  • Thread Class: 2A A
  • Head Style: HEADLESS (SETSCREW)
  • Width Across Flats: 0.062 INCHES NOMINAL IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 4037 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-916-6686, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-916-6686
Primary Part Number11261
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Thread Length0.750 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Thread Class2A A
Head StyleHEADLESS (SETSCREW)
Width Across Flats0.062 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
Point StyleOVAL
Thread Series DesignatorUNF
MaterialSTEEL COMP 4037 OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentPHOSPHATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5331-00-291-3275 INTERCHANGEABLE
O-Ring
4820-00-385-9429HC155KANDHC162KX5 INTERCHANGEABLE
Valve Assembly
Siemens Energy, Inc.
5905-00-409-1642 INTERCHANGEABLE
Resistor Assembly
6625-00-594-0569MMI8248 INTERCHANGEABLE
Meter,audio Level
Custom Metering Company Inc
2520-00-734-907611832 INTERCHANGEABLE
Disk,clutch,vehicular
Sachs-Boge of America
5950-00-918-40131126-1 INTERCHANGEABLE
Transformer,power
Drs Signal Solutions, Inc.
5120-00-937-783410951484 INTERCHANGEABLE
Adapter,torque Wrench
U S Army Tank Automotive Command Amsta-Im-Mm
5330-01-145-0732 INTERCHANGEABLE
Gasket
5950-01-176-486811261 INTERCHANGEABLE
Transformer,power
G.s. Blodgett, Llc Div Blodgett
5325-01-292-7218 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
11261 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5331-00-291-3275INTERCHANGEABLE
O-RING
4820-00-385-9429INTERCHANGEABLE
VALVE ASSEMBLY
HC155KANDHC162KX5
5905-00-409-1642INTERCHANGEABLE
RESISTOR ASSEMBLY
6625-00-594-0569INTERCHANGEABLE
METER,AUDIO LEVEL
MMI8248
2520-00-734-9076INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
11832
5950-00-918-4013INTERCHANGEABLE
TRANSFORMER,POWER
1126-1
5120-00-937-7834INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
10951484
5330-01-145-0732INTERCHANGEABLE
GASKET
5950-01-176-4868INTERCHANGEABLE
TRANSFORMER,POWER
11261
5325-01-292-7218INTERCHANGEABLE
RING,RETAINING
4730-01-312-5926INTERCHANGEABLE
NUT,UNION
1126-1

Frequently Asked Questions

What is NSN 5305-00-916-6686?

NSN 5305-00-916-6686 is a Setscrew, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-916-6686?

NSN 5305-00-916-6686 has 1 cross-referenced part number: 11261 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5305-00-916-6686?

There are 11 known substitutes for 5305-00-916-6686: 5331-00-291-3275, 4820-00-385-9429, 5905-00-409-1642 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11261?

Key specifications for 11261: Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Thread Length: 0.750 INCHES MAXIMUM IN; Thread Quantity Per Inch: 40; Thread Class: 2A A. 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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