PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5305009789378Screw,cap,socket Head

E.c.a Etablissement Centrald'approvisionnement Des Forces Armee · NSN 5305-00-978-9378 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-978-9378 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-978-9378. Primary manufacturer part number: 5305009789378.
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Internal Drive Style: HEXAGON
  • Head Diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-978-9378, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is E.c.a Etablissement Centrald'approvisionnement Des Forces Armee. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-978-9378
Primary Part Number5305009789378
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerE.c.a Etablissement Centrald'approvisionnement Des Forces Armee
StatusCANCELLED
Width Across Flats0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Head Diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Thread DirectionRIGHT-HAND
Fastener Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Nondefinitive Spec/std Data6 TYPE
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Thread Length0.369 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Head Height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Class3A A
Thread Quantity Per Inch20
Head StyleFLAT CHAMFER
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5975-00-878-4868 INTERCHANGEABLE
Rod,ground
5905-00-978-7702 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5360-01-472-1498701448 INTERCHANGEABLE
Spring,helical,compression
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
5305009789378 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
SP-59 PIECE 25X Beach-Russ Company (USA)
701-448 The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation (USA)
10484712 Nimikkeistokeskus Ncb Finland (FIN)
FF-S-86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS16997-58 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
402352013 Imi Systems Ltd (ISR)
852489-00 Defense Reduction Agency (USA)
MS 16997-58 Zf Industrieantriebe Witten Gmbh (DEU)
3X2 Zf Industrieantriebe Witten Gmbh (DEU)
402352013 Israel Military Industries Ltd Dba Taas - Israel Industries Ltd - Formerly (ISR)
Related Parts
5975-00-878-4868INTERCHANGEABLE
ROD,GROUND
5905-00-978-7702INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5360-01-472-1498INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
701448

Frequently Asked Questions

What is NSN 5305-00-978-9378?

NSN 5305-00-978-9378 is a Screw,cap,socket Head, manufactured by E.c.a Etablissement Centrald'approvisionnement Des Forces Armee, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-978-9378?

NSN 5305-00-978-9378 has 11 cross-referenced part numbers: 5305009789378 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), SP-59 PIECE 25X (Beach-Russ Company), 701-448 (The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation), 10484712 (Nimikkeistokeskus Ncb Finland), FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC) and 6 more.

What NSN replaces 5305-00-978-9378?

There are 3 known substitutes for 5305-00-978-9378: 5975-00-878-4868, 5905-00-978-7702, 5360-01-472-1498. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305009789378?

Key specifications for 5305009789378: Width Across Flats: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Internal Drive Style: HEXAGON; Head Diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-978-9378 still in active supply?

NSN 5305-00-978-9378 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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