PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8557Screw,self-Drilling

Silver Eagle Manufacturing Co · NSN 5305-01-605-4408 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-605-4408 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-605-4408. Primary manufacturer part number: 8557.
Features
  • Screw,self-Drilling — FSC 5305
  • Point Style: SELF-DRILLINGSELF-DRILLING
  • Material: STEEL OVERALL
  • Extended Washer Thickness: 0.019 INCHES MINIMUM AND 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM0.031 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HANDRIGHT-HAND
  • Head Height: 0.105 INCHES MINIMUM AND 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
  • Head Style: HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER
  • Pilot Length: 0.30 INCHES NOMINAL0.30 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,self-Drilling, cataloged under National Stock Number 5305-01-605-4408, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Silver Eagle Manufacturing Co. Government technical data includes 16 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-605-4408
Primary Part Number8557
Item NameScrew,self-Drilling
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSilver Eagle Manufacturing Co
StatusACTIVE
Point StyleSELF-DRILLINGSELF-DRILLING
MaterialSTEEL OVERALL
Extended Washer Thickness0.019 INCHES MINIMUM AND 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM0.031 INCHES MAXIMUM IN
Thread DirectionRIGHT-HANDRIGHT-HAND
Head Height0.105 INCHES MINIMUM AND 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
Head StyleHEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER
Pilot Length0.30 INCHES NOMINAL0.30 INCHES NOMINAL IN
Fastener Length0.50 INCHES NOMINAL0.50 INCHES NOMINAL IN
Nonmachine Thread StyleSELF DRILLINGSELF DRILLING
Internal Drive StyleW/O INTERNAL DRIVEW/O INTERNAL DRIVE
Width Between Flats0.305 INCHES MINIMUM AND 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM0.312 INCHES MAXIMUM IN
Minimum Tensile Strength1936 POUNDS PER SQUARE INCH1936 POUNDS PER SQUARE INCH LBS
Surface TreatmentZINC OVERALL
Extended Washer Diameter0.384 INCHES MINIMUM AND 0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM0.414 INCHES MAXIMUM IN
Nominal Thread Diameter0.19 INCHES0.19 INCHES IN
Thread Quantity Per Inch16.016.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5975-00-068-6767SR-6P3-4 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
3030-00-251-004728573 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5120-00-293-0464WT115A INTERCHANGEABLE
Crimping Tool,terminal,hand
Abb Installation Products Inc
5930-00-615-405651872 INTERCHANGEABLE
Switch,modified
Landoll Company, Llc
6550-01-493-260697000HS INTERCHANGEABLE
Cardiac,panel Triage
Quidel Corp
3950-01-656-39868557 INTERCHANGEABLE
Crane,floor,portable
Attco, Inc Dba Syclone Attco Service Div Sky Hook
Cross-Reference Index
Part NumberManufacturer
1397000 Illinois Tool Works Inc Dba Buildex Div. (USA)
882519071 Viking Bolt Inc (USA)
8557 PRIMARY Silver Eagle Manufacturing Co (USA)
Related Parts
5975-00-068-6767INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR-6P3-4
3030-00-251-0047INTERCHANGEABLE
BELT,V
28573
5120-00-293-0464INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
WT115A
5930-00-615-4056INTERCHANGEABLE
SWITCH,MODIFIED
51872
6550-01-493-2606INTERCHANGEABLE
CARDIAC,PANEL TRIAGE
97000HS
3950-01-656-3986INTERCHANGEABLE
CRANE,FLOOR,PORTABLE
8557

Frequently Asked Questions

What is NSN 5305-01-605-4408?

NSN 5305-01-605-4408 is a Screw,self-Drilling, manufactured by Silver Eagle Manufacturing Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-605-4408?

NSN 5305-01-605-4408 has 3 cross-referenced part numbers: 1397000 (Illinois Tool Works Inc Dba Buildex Div.), 882519071 (Viking Bolt Inc), 8557 (Silver Eagle Manufacturing Co).

What NSN replaces 5305-01-605-4408?

There are 6 known substitutes for 5305-01-605-4408: 5975-00-068-6767, 3030-00-251-0047, 5120-00-293-0464 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8557?

Key specifications for 8557: Point Style: SELF-DRILLINGSELF-DRILLING; Material: STEEL OVERALL; Extended Washer Thickness: 0.019 INCHES MINIMUM AND 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM0.031 INCHES MAXIMUM IN; Thread Direction: RIGHT-HANDRIGHT-HAND. 19 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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