PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11801Screw,externally Relieved Body

Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp · NSN 5305-00-543-5941 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-543-5941 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-543-5941. Primary manufacturer part number: 11801.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Thread Series Designator: UNF
  • Thread Class: 2A A
  • Thread Length: 0.188 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Internal Drive Style: SLOT
  • Thread Quantity Per Inch: 32
  • Fastener Length: 0.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-543-5941, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-543-5941
Primary Part Number11801
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEco Pump Corp Pulsafeeder Div Sub of Interpace Corp
StatusACTIVE
Thread Series DesignatorUNF
Thread Class2A A
Thread Length0.188 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Thread Quantity Per Inch32
Fastener Length0.500 INCHES NOMINAL IN
Head StyleFLAT CHAMFER
Nominal Thread Diameter0.190 INCHES IN
Externally Relieved Body Diameter Quantity2
Head Diameter0.312 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of First Diameter0.188 INCHES NOMINAL IN
First Diameter From Head0.178 INCHES NOMINAL IN
Second Diameter From Head0.128 INCHES NOMINAL IN
Head Height0.125 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-198-004311-801 INTERCHANGEABLE
Bearing,ball,annular
Thermo King Corporation Dba Phoenix Global Distirbution.
5930-00-234-9197 INTERCHANGEABLE
Switch,toggle
5315-00-536-10448527526 INTERCHANGEABLE
Pin,straight,headed
Us Army Aviation and Missile Command
5950-00-706-9412 INTERCHANGEABLE
Coil,radio Frequency
5330-00-911-225911801 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
8030-01-120-875311801 INTERCHANGEABLE
Filler,dent,metal Surface
Illinois Tool Works Inc. Dba Illinois Tool Works Inc
5999-01-145-0518 INTERCHANGEABLE
Shielding Gasket,electronic
3040-01-167-960811801 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.
3020-01-177-3055376176 INTERCHANGEABLE
Gear Set,spur,matched
General Motors Llc Dba General Motors Llc
5365-01-443-2145 INTERCHANGEABLE
Spacer,plate
Cross-Reference Index
Part NumberManufacturer
11801 Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp (USA)
Related Parts
3110-00-198-0043INTERCHANGEABLE
BEARING,BALL,ANNULAR
11-801
5930-00-234-9197INTERCHANGEABLE
SWITCH,TOGGLE
5315-00-536-1044INTERCHANGEABLE
PIN,STRAIGHT,HEADED
8527526
5950-00-706-9412INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-911-2259INTERCHANGEABLE
SEAL,PLAIN ENCASED
11801
8030-01-120-8753INTERCHANGEABLE
FILLER,DENT,METAL SURFACE
11801
5999-01-145-0518INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
3040-01-167-9608INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
11801
3020-01-177-3055INTERCHANGEABLE
GEAR SET,SPUR,MATCHED
376176
5365-01-443-2145INTERCHANGEABLE
SPACER,PLATE
7310-01-560-0063INTERCHANGEABLE
TANK,FUEL,PORTABLE STOVE
11830
5975-01-699-2544INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
11801

Frequently Asked Questions

What is NSN 5305-00-543-5941?

NSN 5305-00-543-5941 is a Screw,externally Relieved Body, manufactured by Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-543-5941?

NSN 5305-00-543-5941 has 1 cross-referenced part number: 11801 (Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp).

What NSN replaces 5305-00-543-5941?

There are 12 known substitutes for 5305-00-543-5941: 3110-00-198-0043, 5930-00-234-9197, 5315-00-536-1044 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11801?

Key specifications for 11801: Thread Series Designator: UNF; Thread Class: 2A A; Thread Length: 0.188 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND. 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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