PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-21Screw,tapping

Crane Carrier Company, Llc · NSN 5305-01-509-4315 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-509-4315 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-509-4315. Primary manufacturer part number: 278-21.
Features
  • Screw,tapping — FSC 5305
  • 1 verified cross-reference
  • 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 5305-01-509-4315, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,tapping
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersCrane Carrier Company, Llc (CAGE 03533)
Technical Specifications
ParameterValue
NSN5305-01-509-4315
Primary Part Number278-21
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCrane Carrier Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2920-00-695-556727821 INTERCHANGEABLE
Spacer,idler Gear M
Curtiss-Wright Controls, Inc. Div Actuation Division
5950-00-931-0462 INTERCHANGEABLE
Coil,radio Frequency
3110-01-027-2792P206KDDFS50000 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
6515-01-140-531140-7401 INTERCHANGEABLE
Elevator,periosteal
Sklar Corporation Dba Sklar Instruments
4710-01-185-30509J3737 INTERCHANGEABLE
Tube Assembly,metal
Caterpillar Inc Div Caterpillar Defense
5340-01-545-638927821 INTERCHANGEABLE
Plunger,quick Release
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
278-21 PRIMARY Crane Carrier Company, Llc (USA)
Related Parts
2920-00-695-5567INTERCHANGEABLE
SPACER,IDLER GEAR M
27821
5950-00-931-0462INTERCHANGEABLE
COIL,RADIO FREQUENCY
3110-01-027-2792INTERCHANGEABLE
BEARING,BALL,ANNULAR
P206KDDFS50000
6515-01-140-5311INTERCHANGEABLE
ELEVATOR,PERIOSTEAL
40-7401
4710-01-185-3050INTERCHANGEABLE
TUBE ASSEMBLY,METAL
9J3737
5340-01-545-6389INTERCHANGEABLE
PLUNGER,QUICK RELEASE
27821

Frequently Asked Questions

What is NSN 5305-01-509-4315?

NSN 5305-01-509-4315 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 5305-01-509-4315?

NSN 5305-01-509-4315 has 1 cross-referenced part number: 278-21 (Crane Carrier Company, Llc).

What NSN replaces 5305-01-509-4315?

There are 6 known substitutes for 5305-01-509-4315: 2920-00-695-5567, 5950-00-931-0462, 3110-01-027-2792 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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