PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-56Screw,tapping

Crane Carrier Company, Llc · NSN 5305-01-499-1709 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-499-1709 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-499-1709. Primary manufacturer part number: 278-56.
Features
  • Screw,tapping — FSC 5305
  • Nonmachine Thread Style: SELF DRILLING
  • 3 verified cross-references
  • Primary manufacturer: Crane Carrier Company, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,tapping, cataloged under National Stock Number 5305-01-499-1709, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-499-1709
Primary Part Number278-56
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCrane Carrier Company, Llc
StatusACTIVE
Nonmachine Thread StyleSELF DRILLING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-197-9582 INTERCHANGEABLE
O-Ring
5905-00-858-0172100F50 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ward Leonard Ct Llc
5950-00-884-2591 INTERCHANGEABLE
Coil,radio Frequency
5120-01-504-9709 INTERCHANGEABLE
Wrench,open End
3110-01-505-3424 INTERCHANGEABLE
Cup,tapered Roller Bearing
Cross-Reference Index
Part NumberManufacturer
A278-56 Crane Carrier Company, Llc (USA)
278-0056 Crane Carrier Company, Llc (USA)
278-56 PRIMARY Crane Carrier Company, Llc (USA)
Related Parts
5331-00-197-9582INTERCHANGEABLE
O-RING
5905-00-858-0172INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
100F50
5950-00-884-2591INTERCHANGEABLE
COIL,RADIO FREQUENCY
5120-01-504-9709INTERCHANGEABLE
WRENCH,OPEN END
3110-01-505-3424INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING

Frequently Asked Questions

What is NSN 5305-01-499-1709?

NSN 5305-01-499-1709 is a Screw,tapping, manufactured by Crane Carrier Company, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-499-1709?

NSN 5305-01-499-1709 has 3 cross-referenced part numbers: A278-56 (Crane Carrier Company, Llc), 278-0056 (Crane Carrier Company, Llc), 278-56 (Crane Carrier Company, Llc).

What NSN replaces 5305-01-499-1709?

There are 5 known substitutes for 5305-01-499-1709: 5331-00-197-9582, 5905-00-858-0172, 5950-00-884-2591 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-56?

Key specifications for 278-56: Nonmachine Thread Style: SELF DRILLING; Special Features: COOLING ASSEMBLY-ISB-225 W/HIGH EFF.RAD. SIDE MOUNT W; End Item Identification: 2320014525579. 3 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