PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27784-003Screw,cap,socket Head

Moog Inc. Dba Ampac-Isp Corp · NSN 5305-01-536-1259 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-536-1259 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-536-1259. Primary manufacturer part number: 27784-003.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: FLAT CHAMFER
  • Thread Length: 1.240 INCHES NOMINAL IN
  • Width Across Flats: 0.375 INCHES NOMINAL IN
  • Head Diameter: 0.750 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Internal Drive Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-536-1259, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-536-1259
Primary Part Number27784-003
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Head StyleFLAT CHAMFER
Thread Length1.240 INCHES NOMINAL IN
Width Across Flats0.375 INCHES NOMINAL IN
Head Diameter0.750 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch13
Head Height0.500 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Thread Class2A A
Fastener Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4520-01-652-3300 INTERCHANGEABLE
Heater,fluid,electric
5306-01-707-596734-683 INTERCHANGEABLE
Bolt,machine
Rix Industries
Cross-Reference Index
Part NumberManufacturer
34683 Moog Inc. Dba Ampac-Isp Corp (USA)
27784-003 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
4520-01-652-3300INTERCHANGEABLE
HEATER,FLUID,ELECTRIC
5306-01-707-5967INTERCHANGEABLE
BOLT,MACHINE
34-683

Frequently Asked Questions

What is NSN 5305-01-536-1259?

NSN 5305-01-536-1259 is a Screw,cap,socket Head, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-536-1259?

NSN 5305-01-536-1259 has 2 cross-referenced part numbers: 34683 (Moog Inc. Dba Ampac-Isp Corp), 27784-003 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 5305-01-536-1259?

There are 2 known substitutes for 5305-01-536-1259: 4520-01-652-3300, 5306-01-707-5967. Verify interchangeability with system specifications before substitution.

What are the specifications of 27784-003?

Key specifications for 27784-003: Head Style: FLAT CHAMFER; End Item Identification: 688 CLASS BOAT; Thread Length: 1.240 INCHES NOMINAL IN; Width Across Flats: 0.375 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com