PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S514Screw,cap,socket Head

Nylok Llc · NSN 5305-00-638-6489 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-638-6489 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-638-6489. Primary manufacturer part number: S514.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Surface Treatment: PASSIVATE OVERALL
  • Internal Drive Style: SLOT
  • Locking Feature: PELLET THREADS
  • Head Style: FILLISTER
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 32
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-638-6489, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-638-6489
Primary Part NumberS514
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNylok Llc
StatusCANCELLED
Nominal Thread Diameter0.138 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Internal Drive StyleSLOT
Locking FeaturePELLET THREADS
Head StyleFILLISTER
Thread Class2A A
Thread Quantity Per Inch32
Head Diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Thread Length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 416 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Head Height0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2920-00-360-44177324542 INTERCHANGEABLE
Parts Kit,engine Ge
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-759-15188648 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
4242061-1101 Marotta Controls Inc (USA)
S514 PRIMARY Nylok Llc (USA)
Related Parts
2920-00-360-4417INTERCHANGEABLE
PARTS KIT,ENGINE GE
7324542
5330-00-759-1518INTERCHANGEABLE
SEAL,PLAIN ENCASED
8648

Frequently Asked Questions

What is NSN 5305-00-638-6489?

NSN 5305-00-638-6489 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-638-6489?

NSN 5305-00-638-6489 has 2 cross-referenced part numbers: 4242061-1101 (Marotta Controls Inc), S514 (Nylok Llc).

What NSN replaces 5305-00-638-6489?

There are 2 known substitutes for 5305-00-638-6489: 2920-00-360-4417, 5330-00-759-1518. Verify interchangeability with system specifications before substitution.

What are the specifications of S514?

Key specifications for S514: Nominal Thread Diameter: 0.138 INCHES IN; Surface Treatment: PASSIVATE OVERALL; Internal Drive Style: SLOT; Locking Feature: PELLET THREADS. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-638-6489 still in active supply?

NSN 5305-00-638-6489 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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