PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

330-1716-730Screw,cap,socket Head

Nylok Llc · NSN 5305-01-128-6643 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-128-6643 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-128-6643. Primary manufacturer part number: 330-1716-730.
Features
  • Screw,cap,socket Head — FSC 5305
  • Locking Feature: PATCH THREADS
  • Thread Quantity Per Inch: 40
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: PASSIVATE OVERALL
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 302b or Steel Comp 303 or Steel Comp 303SE or Steel Comp 304 or Steel Comp 304l or Steel Comp 305 or Steel Comp 308 or Steel Comp 309 or Steel Comp 309s or Steel Comp 310 or Steel Comp 310s or Steel Comp 314 or Steel Comp 316 or Steel Comp 316l or Steel Comp 317 or Steel Comp 321 or Steel Comp 347 or Steel Comp 348 or Steel Comp 384 or Steel Comp 385 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-128-6643, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nylok Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5305-01-128-6643
Primary Part Number330-1716-730
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNylok Llc
StatusACTIVE
Locking FeaturePATCH THREADS
Thread Quantity Per Inch40
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Thread Diameter0.112 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Internal Drive StyleCROSS RECESS TYPE 1
Thread Length0.430 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Fastener Length0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Head StylePAN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-01-655-66563301716 INTERCHANGEABLE
Filter Element,fluid
Peak Scientific Instruments Ltd Div Gas Generator
Cross-Reference Index
Part NumberManufacturer
330-1716-730 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
330-1716 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
330-1716-730 Sps Technologies, Llc Dba PB Fasteners (USA)
330-1716-730 Harvard Industries Inc (USA)
330-1716-730 PRIMARY Nylok Llc (USA)
330-1716-730 PRIMARY Long-Lok Llc (USA)
330-1716-730 PRIMARY Nd Industries Inc Div Nd Industries, Inc. - Michigan Division (USA)
Related Parts
4330-01-655-6656INTERCHANGEABLE
FILTER ELEMENT,FLUID
3301716

Frequently Asked Questions

What is NSN 5305-01-128-6643?

NSN 5305-01-128-6643 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-128-6643?

NSN 5305-01-128-6643 has 7 cross-referenced part numbers: 330-1716-730 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 330-1716 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 330-1716-730 (Sps Technologies, Llc Dba PB Fasteners), 330-1716-730 (Harvard Industries Inc), 330-1716-730 (Nylok Llc) and 2 more.

What NSN replaces 5305-01-128-6643?

There is 1 known substitute for 5305-01-128-6643: 4330-01-655-6656. Verify interchangeability with system specifications before substitution.

What are the specifications of 330-1716-730?

Key specifications for 330-1716-730: Locking Feature: PATCH THREADS; Thread Quantity Per Inch: 40; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nominal Thread Diameter: 0.112 INCHES IN. 16 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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