PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

286A1PC20Nut,self-Locking,hexagon

Erie Engineered Products, Inc. Dba Erie Engineered Products Inc · NSN 5310-00-281-3389 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-281-3389 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-281-3389. Primary manufacturer part number: 286A1PC20.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Width Across Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
  • Temp Rating: 550.0 FAHRENHEIT NOMINAL DEGF
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Bearing Surface Type: FLAT
  • Nominal Thread Size: 0.375 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-281-3389, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Erie Engineered Products, Inc. Dba Erie Engineered Products Inc. Government technical data includes 13 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-281-3389
Primary Part Number286A1PC20
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerErie Engineered Products, Inc. Dba Erie Engineered Products Inc
StatusCANCELLED
Thread Class3B
Width Across Flats0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
Temp Rating550.0 FAHRENHEIT NOMINAL DEGF
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Bearing Surface TypeFLAT
Nominal Thread Size0.375 INCHES IN
Nut Height0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch24
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread SeriesUNF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-531-011352HS019-624 INTERCHANGEABLE
Nut,self-Locking,hexagon
Greer Stop Nut, Inc.
5310-00-825-948422FH-624 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Sps Technologies, Llc Dba PB Fasteners
5310-00-982-4908MS21045-6 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4030-01-714-4697145440 INTERCHANGEABLE
Swivel and Link Assembly
Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company
Cross-Reference Index
Part NumberManufacturer
286A1PC20 PRIMARY Erie Engineered Products, Inc. Dba Erie Engineered Products Inc (USA)
8537476 PRIMARY Us Army Aviation and Missile Command (USA)
22FH624 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
145440 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
21FC624 Sps Technologies, Llc Dba PB Fasteners (USA)
AN363-624CADPLD Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN363-624 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5310-00-531-0113INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
52HS019-624
5310-00-825-9484INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
22FH-624
5310-00-982-4908INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21045-6
4030-01-714-4697INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
145440

Frequently Asked Questions

What is NSN 5310-00-281-3389?

NSN 5310-00-281-3389 is a Nut,self-Locking,hexagon, manufactured by Erie Engineered Products, Inc. Dba Erie Engineered Products Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-281-3389?

NSN 5310-00-281-3389 has 7 cross-referenced part numbers: 286A1PC20 (Erie Engineered Products, Inc. Dba Erie Engineered Products Inc), 8537476 (Us Army Aviation and Missile Command), 22FH624 (Sps Technologies, Llc Dba PB Fasteners), 145440 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 21FC624 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.

What NSN replaces 5310-00-281-3389?

There are 4 known substitutes for 5310-00-281-3389: 5310-00-531-0113, 5310-00-825-9484, 5310-00-982-4908 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 286A1PC20?

Key specifications for 286A1PC20: Thread Class: 3B; Width Across Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN; Temp Rating: 550.0 FAHRENHEIT NOMINAL DEGF; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-281-3389 still in active supply?

NSN 5310-00-281-3389 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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