PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1758L5Nut,self-Locking,extended Washer

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-064-3620 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-064-3620 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-064-3620. Primary manufacturer part number: NAS1758L5.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Nominal Thread Size: 0.312 INCHES IN
  • Hardness Rating: 45.0 ROCKWELL C MAXIMUM
  • Washer Thickness: 0.035 INCHES MINIMUM IN
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Thread Class: 3B
  • Material: STEEL COMP 601 OR STEEL COMP H11 OVERALL
  • Specification/standard Data: 80205-NAS1758 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 601 or Steel Comp H11 Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-064-3620, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-064-3620
Primary Part NumberNAS1758L5
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Nominal Thread Size0.312 INCHES IN
Hardness Rating45.0 ROCKWELL C MAXIMUM
Washer Thickness0.035 INCHES MINIMUM IN
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Thread Class3B
MaterialSTEEL COMP 601 OR STEEL COMP H11 OVERALL
Specification/standard Data80205-NAS1758 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Document and ClassificationAMS 6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6485 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationAMS 2401-3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Washer Outside Diameter0.531 INCHES MAXIMUM IN
LubricationDRY FILM LUBRICANT
Width Across Flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
Temp Rating450.0 FAHRENHEIT MAXIMUM DEGF
Thread Quantity Per Inch24
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread DirectionRIGHT-HAND
Nut StyleDOUBLE HEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6750-01-057-9731 INTERCHANGEABLE
Film,photographic
5950-01-080-5080L02799 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6520-01-555-5526678-325 INTERCHANGEABLE
Pliers,dental
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
BMNN10HR5 Starrag Technology Gmbh (DEU)
SL7058-5 Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA)
H96-5 Howmet Global Fastening Systems Inc (USA)
BACN10HR5 The Boeing Company Div Defense (USA)
67832-5 Sps Technologies, Llc Dba PB Fasteners (USA)
RMLH22-5 Harvard Industries Inc (USA)
NAS1758L5 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
6750-01-057-9731INTERCHANGEABLE
FILM,PHOTOGRAPHIC
5950-01-080-5080INTERCHANGEABLE
TRANSFORMER,POWER
L02799
6520-01-555-5526INTERCHANGEABLE
PLIERS,DENTAL
678-325

Frequently Asked Questions

What is NSN 5310-01-064-3620?

NSN 5310-01-064-3620 is a Nut,self-Locking,extended Washer, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-064-3620?

NSN 5310-01-064-3620 has 7 cross-referenced part numbers: BMNN10HR5 (Starrag Technology Gmbh), SL7058-5 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), H96-5 (Howmet Global Fastening Systems Inc), BACN10HR5 (The Boeing Company Div Defense), 67832-5 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.

What NSN replaces 5310-01-064-3620?

There are 3 known substitutes for 5310-01-064-3620: 6750-01-057-9731, 5950-01-080-5080, 6520-01-555-5526. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1758L5?

Key specifications for NAS1758L5: Overall Height: 0.385 INCHES MAXIMUM IN; Nominal Thread Size: 0.312 INCHES IN; Hardness Rating: 45.0 ROCKWELL C MAXIMUM; Washer Thickness: 0.035 INCHES MINIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-064-3620 still in active supply?

NSN 5310-01-064-3620 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.
PartsTable Design LLC · partstable.com