PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FS-01378-88Screw,cap,socket Head

Hdt Expeditionary Systems Inc · NSN 5305-01-705-6492 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-705-6492 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-705-6492. Primary manufacturer part number: FS-01378-88.
Features
  • Screw,cap,socket Head — FSC 5305
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Internal Drive Style: HEXAGON
  • Head Diameter: 0.226 INCHES NOMINAL IN
  • Head Style: FLAT FILLISTER
  • Head Height: 0.138 INCHES NOMINAL IN
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 5305-01-705-6492, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-705-6492
Primary Part NumberFS-01378-88
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleHEXAGON
Head Diameter0.226 INCHES NOMINAL IN
Head StyleFLAT FILLISTER
Head Height0.138 INCHES NOMINAL IN
Thread Length0.875 INCHES NOMINAL IN
Fastener Length0.875 INCHES NOMINAL IN
Nominal Thread Diameter0.138 MILLIMETERS MM
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5915-01-159-0117 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cross-Reference Index
Part NumberManufacturer
5-13-11320-2 Berg Manufacturing, Inc. (USA)
FS-01378-88 PRIMARY Hdt Expeditionary Systems Inc (USA)
5-13-11320 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
Related Parts
5915-01-159-0117INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE

Frequently Asked Questions

What is NSN 5305-01-705-6492?

NSN 5305-01-705-6492 is a Screw,cap,socket Head, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-705-6492?

NSN 5305-01-705-6492 has 3 cross-referenced part numbers: 5-13-11320-2 (Berg Manufacturing, Inc.), FS-01378-88 (Hdt Expeditionary Systems Inc), 5-13-11320 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center).

What NSN replaces 5305-01-705-6492?

There is 1 known substitute for 5305-01-705-6492: 5915-01-159-0117. Verify interchangeability with system specifications before substitution.

What are the specifications of FS-01378-88?

Key specifications for FS-01378-88: Material: STEEL OVERALL; Surface Treatment: ZINC OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Internal Drive Style: HEXAGON. 13 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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