PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AMSE B18.6.3-HEX HEAD 10-24X7/8Screw,machine

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5305-01-121-5475 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-121-5475 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-121-5475. Primary manufacturer part number: AMSE B18.6.3-HEX HEAD 10-24X7/8.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Head Style: ROUND
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 24
  • Screw Surface Treatment Document and Classification: AN-P-61 MIL SPEC SINGLE TREATMENT RESPONSE
  • Thread Length: 0.875 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-121-5475, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-121-5475
Primary Part NumberAMSE B18.6.3-HEX HEAD 10-24X7/8
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Internal Drive StyleSLOT
Nominal Thread Diameter0.190 INCHES IN
Head StyleROUND
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch24
Screw Surface Treatment Document and ClassificationAN-P-61 MIL SPEC SINGLE TREATMENT RESPONSE
Thread Length0.875 INCHES NOMINAL IN
Screw Surface TreatmentCADMIUM
Fastener Length0.875 INCHES NOMINAL IN
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-232-44433966 INTERCHANGEABLE
Coil,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5950-00-235-8730SC-D-1736N INTERCHANGEABLE
Coil,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-461-83013966 INTERCHANGEABLE
Transformer,power
Sartron, Inc
5940-00-617-2673227-1157P1 INTERCHANGEABLE
Terminal,lug
Raytheon Co Equipment Development Lab
6625-01-097-47203966 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
2940-01-625-9189FIL 3966 INTERCHANGEABLE
Filter Element,fluid
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
AMSE B18.6.3-HEX HEAD 10-24X7/8 PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
10383787 Nimikkeistokeskus Ncb Finland (FIN)
3966 Prestolite Electric Inc (USA)
3966 Prestolite Electric Inc (USA)
Z106003966 Prestolite Electric Inc (USA)
Related Parts
5950-00-232-4443INTERCHANGEABLE
COIL,RADIO FREQUENCY
3966
5950-00-235-8730INTERCHANGEABLE
COIL,TELEPHONE
SC-D-1736N
5950-00-461-8301INTERCHANGEABLE
TRANSFORMER,POWER
3966
5940-00-617-2673INTERCHANGEABLE
TERMINAL,LUG
227-1157P1
6625-01-097-4720INTERCHANGEABLE
LEAD,TEST
3966
2940-01-625-9189INTERCHANGEABLE
FILTER ELEMENT,FLUID
FIL 3966

Frequently Asked Questions

What is NSN 5305-01-121-5475?

NSN 5305-01-121-5475 is a Screw,machine, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-121-5475?

NSN 5305-01-121-5475 has 5 cross-referenced part numbers: AMSE B18.6.3-HEX HEAD 10-24X7/8 (American National Standards Institute Incorporated Dba American National Standards Institute), 10383787 (Nimikkeistokeskus Ncb Finland), 3966 (Prestolite Electric Inc), 3966 (Prestolite Electric Inc), Z106003966 (Prestolite Electric Inc).

What NSN replaces 5305-01-121-5475?

There are 6 known substitutes for 5305-01-121-5475: 5950-00-232-4443, 5950-00-235-8730, 5950-00-461-8301 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AMSE B18.6.3-HEX HEAD 10-24X7/8?

Key specifications for AMSE B18.6.3-HEX HEAD 10-24X7/8: Internal Drive Style: SLOT; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: ROUND; Thread Direction: RIGHT-HAND. 12 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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