PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57585-624Nut,self-Locking,extended Washer

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-975-1824 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-975-1824 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-975-1824. Primary manufacturer part number: 57585-624.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Lubrication: DRY FILM LUBRICANT
  • Thread Class: 3B
  • Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Surface Treatment: CADMIUM OVERALL
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-975-1824, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5310-00-975-1824
Primary Part Number57585-624
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusCANCELLED
LubricationDRY FILM LUBRICANT
Thread Class3B
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Surface TreatmentCADMIUM OVERALL
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch24
Nominal Thread Size0.375 INCHES IN
MaterialSTEEL COMP 8740 OVERALL
Washer Thickness0.064 INCHES NOMINAL IN
Washer Outside Diameter0.670 INCHES MAXIMUM IN
Nut StyleDOUBLE HEXAGON
Width Across Flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3895-00-160-57216500041 INTERCHANGEABLE
Tube
Ed Etnyre & Co
2815-00-288-486911657701 INTERCHANGEABLE
Lock,valve Spring Retainer
U S Army Tank Automotive Command Amsta-Im-Mm
4940-01-278-6222 INTERCHANGEABLE
Press,hydraulic,portable
3455-01-335-575251-10564 INTERCHANGEABLE
Cutter,milling,end
Tivoly U S a Union Butterfield Div
Cross-Reference Index
Part NumberManufacturer
57585-624 Harvard Industries Inc (USA)
943972-3 Raytheon Company Dba Raytheon (USA)
57585-624 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
S862NEW5-624 Northrop Grumman Systems Corporation (USA)
DHE13579-6M Graphic Controls Corp Medical Products Div (USA)
H20-6 Howmet Global Fastening Systems Inc (USA)
LHEB220-064 Harvard Industries Inc (USA)
3D0049-6 The Boeing Company (USA)
BH00526-6 Bristol Industries, Llc (USA)
Related Parts
3895-00-160-5721INTERCHANGEABLE
TUBE
6500041
2815-00-288-4869INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
11657701
4940-01-278-6222INTERCHANGEABLE
PRESS,HYDRAULIC,PORTABLE
3455-01-335-5752INTERCHANGEABLE
CUTTER,MILLING,END
51-10564

Frequently Asked Questions

What is NSN 5310-00-975-1824?

NSN 5310-00-975-1824 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-975-1824?

NSN 5310-00-975-1824 has 9 cross-referenced part numbers: 57585-624 (Harvard Industries Inc), 943972-3 (Raytheon Company Dba Raytheon), 57585-624 (Sps Technologies, Llc Dba PB Fasteners), S862NEW5-624 (Northrop Grumman Systems Corporation), DHE13579-6M (Graphic Controls Corp Medical Products Div) and 4 more.

What NSN replaces 5310-00-975-1824?

There are 4 known substitutes for 5310-00-975-1824: 3895-00-160-5721, 2815-00-288-4869, 4940-01-278-6222 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57585-624?

Key specifications for 57585-624: Lubrication: DRY FILM LUBRICANT; Thread Class: 3B; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-975-1824 still in active supply?

NSN 5310-00-975-1824 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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