PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACN10B-L6LNut,self-Locking,extended Washer

The Boeing Company Div Defense · NSN 5310-00-680-5210 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-680-5210 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-680-5210. Primary manufacturer part number: BACN10B-L6L.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Thread Quantity Per Inch: 24
  • Surface Treatment: CADMIUM OVERALL
  • Nut Style: DOUBLE HEXAGON
  • Washer Outside Diameter: 0.677 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.375 INCHES IN
  • Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-680-5210, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-680-5210
Primary Part NumberBACN10B-L6L
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusCANCELLED
Thread Quantity Per Inch24
Surface TreatmentCADMIUM OVERALL
Nut StyleDOUBLE HEXAGON
Washer Outside Diameter0.677 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Nominal Thread Size0.375 INCHES IN
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Thread DirectionRIGHT-HAND
Thread Class3B
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Washer Thickness0.064 INCHES NOMINAL IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
LubricationDRY FILM LUBRICANT
Width Across Flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4920-00-167-4982PWA24318 INTERCHANGEABLE
Tester,engine Trim
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6115-00-409-9276211-0146 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Cummins Power Generation Inc.
5310-00-463-9227FN22A624 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Sps Technologies, Llc Dba PB Fasteners
4310-00-582-407460572-060 INTERCHANGEABLE
Cylinder,reciprocating Compresso
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
7350-00-715-1369H236 INTERCHANGEABLE
Dispenser,toothpick
Tablecraft Products Company Inc.
Cross-Reference Index
Part NumberManufacturer
VN406-A-064 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
H23-6 Howmet Global Fastening Systems Inc (USA)
BACN10B-L6L Howmet Global Fastening Systems Inc (USA)
H23-6 Klx Aerospace Solutions II SAS (FRA)
LH3849-064 Sps Technologies, Llc Dba PB Fasteners (USA)
LH3393-064 Field and Trek Uk Ltd (GBR)
H23-6 Satair A/s (DNK)
FN22A-624 Sps Technologies, Llc Dba PB Fasteners (USA)
BACN10B-L6L PRIMARY The Boeing Company Div Defense (USA)
2110146 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
BACN10B-L6L Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA)
H29523-6 Howmet Global Fastening Systems Inc (USA)
3M221-6 The Boeing Company Div Defense (USA)
LH3393-064 Sps Technologies, Llc Dba PB Fasteners (USA)
BACN10B-L6L Sps Technologies, Llc Dba PB Fasteners (USA)
H23-6 Tecnotec Sarl (FRA)
2110146 Embraer S.a. (BRA)
H29523-6 Satair A/s (DNK)
VN406-A-064 Fairchild Fasteners Europe - Vsd Gmbh (DEU)
LH3393-064 Esna, Llc (USA)
Related Parts
4920-00-167-4982INTERCHANGEABLE
TESTER,ENGINE TRIM
PWA24318
6115-00-409-9276INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
211-0146
5310-00-463-9227INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
FN22A624
4310-00-582-4074INTERCHANGEABLE
CYLINDER,RECIPROCATING COMPRESSO
60572-060
7350-00-715-1369INTERCHANGEABLE
DISPENSER,TOOTHPICK
H236

Frequently Asked Questions

What is NSN 5310-00-680-5210?

NSN 5310-00-680-5210 is a Nut,self-Locking,extended Washer, manufactured by The Boeing Company Div Defense, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-680-5210?

NSN 5310-00-680-5210 has 23 cross-referenced part numbers: VN406-A-064 (Howmet Global Fastening Systems Inc Div Torrance Operations), H23-6 (Howmet Global Fastening Systems Inc), BACN10B-L6L (Howmet Global Fastening Systems Inc), H23-6 (Klx Aerospace Solutions II SAS), LH3849-064 (Sps Technologies, Llc Dba PB Fasteners) and 18 more.

What NSN replaces 5310-00-680-5210?

There are 5 known substitutes for 5310-00-680-5210: 4920-00-167-4982, 6115-00-409-9276, 5310-00-463-9227 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BACN10B-L6L?

Key specifications for BACN10B-L6L: Thread Quantity Per Inch: 24; Surface Treatment: CADMIUM OVERALL; Nut Style: DOUBLE HEXAGON; Washer Outside Diameter: 0.677 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-680-5210 still in active supply?

NSN 5310-00-680-5210 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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