PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LL57XA12J4Setscrew

Long-Lok Llc · NSN 5305-00-404-6292 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-404-6292 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-404-6292. Primary manufacturer part number: LL57XA12J4.
Features
  • Setscrew — FSC 5305
  • Point Style: FLAT
  • Locking Feature: PATCH OR STRIP THREADS
  • Internal Drive Style: HEXAGON
  • Thread Series Designator: UNF
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Quantity Per Inch: 72
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-404-6292, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Long-Lok 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-404-6292
Primary Part NumberLL57XA12J4
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLong-Lok Llc
StatusACTIVE
Point StyleFLAT
Locking FeaturePATCH OR STRIP THREADS
Internal Drive StyleHEXAGON
Thread Series DesignatorUNF
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Quantity Per Inch72
Surface TreatmentPASSIVATE OVERALL
Width Across Flats0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Thread Class3A A
Nominal Thread Diameter0.073 INCHES IN
Fastener Length0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Thread Length0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEADLESS (SETSCREW)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-807-8012590423 INTERCHANGEABLE
Valve,flow Control
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
LL57XA12J4 PRIMARY Long-Lok Llc (USA)
59042-3 Safe Flight Instrument, Llc (USA)
Related Parts
4820-00-807-8012INTERCHANGEABLE
VALVE,FLOW CONTROL
590423

Frequently Asked Questions

What is NSN 5305-00-404-6292?

NSN 5305-00-404-6292 is a Setscrew, manufactured by Long-Lok Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-404-6292?

NSN 5305-00-404-6292 has 2 cross-referenced part numbers: LL57XA12J4 (Long-Lok Llc), 59042-3 (Safe Flight Instrument, Llc).

What NSN replaces 5305-00-404-6292?

There is 1 known substitute for 5305-00-404-6292: 4820-00-807-8012. Verify interchangeability with system specifications before substitution.

What are the specifications of LL57XA12J4?

Key specifications for LL57XA12J4: Point Style: FLAT; Locking Feature: PATCH OR STRIP THREADS; Internal Drive Style: HEXAGON; Thread Series Designator: UNF. 14 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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