PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

678111Washer,lock

Chrysler Realty Company Llc Dba Daimler Chrysler · NSN 5310-00-543-2705 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-543-2705 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-543-2705. Primary manufacturer part number: 678111.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.683 INCHES MAXIMUM IN
  • Material Thickness: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-543-2705, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-543-2705
Primary Part Number678111
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerChrysler Realty Company Llc Dba Daimler Chrysler
StatusCANCELLED
Hole Diameter0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentCADMIUM OR ZINC OVERALL
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter0.683 INCHES MAXIMUM IN
Material Thickness0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-010-3319 INTERCHANGEABLE
Washer,lock
9150-00-068-7862DE3 INTERCHANGEABLE
Lubricant,stick Form
American Grease Stick Co Dba Ags
4920-00-144-5273803082 INTERCHANGEABLE
Ring,protector,impe
Curtiss-Wright Controls, Inc. Div Actuation Division
5950-00-167-2490B4013204-27 INTERCHANGEABLE
Transformer,power
Department of the Army Hq United States Army Communications Research and Development Command
5950-00-201-743970-4040 INTERCHANGEABLE
Reactor
Department of Defense Project Manager-Mobile Electric Power
5310-00-209-2946120380 INTERCHANGEABLE
Washer,lock
Chrysler Realty Company Llc Dba Daimler Chrysler
5342-00-364-1365 INTERCHANGEABLE
Bracket,fuel Filter
2990-00-374-8618 INTERCHANGEABLE
Muffler,exhaust
5910-00-409-5542100077 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Emcore Corporation Div Concord Division
5905-00-458-6691NB2664 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cts Corp Electromechanical Div
Cross-Reference Index
Part NumberManufacturer
678111 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
439969PC5 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
PC120380 Power Components (deutschland) Gmbh (DEU)
120380 Rolls-Royce Solutions America Inc (USA)
MPD9576-57-25 Met-Pro Corporation (USA)
3616V007 Morris Material Handling, Inc. (USA)
MPD9484-57-32 Met-Pro Corporation (USA)
DE3 Wisconsin Motors, Llc (USA)
85410C Brockway Motor Trucks Div of Mack Trucks Inc (USA)
12Z3038-23 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
681944PC9 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
34805S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
120380 Navistar International Corporation Dba Navistar (USA)
MPR9576-19B15 Met-Pro Corporation (USA)
99018-99 Cummins Inc. (USA)
P623 Bae Systems Land & Armaments L.p. (USA)
5118-58-15 Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global (USA)
FFW84CLASSASTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
121575 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
447509 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-010-3319INTERCHANGEABLE
WASHER,LOCK
9150-00-068-7862INTERCHANGEABLE
LUBRICANT,STICK FORM
DE3
4920-00-144-5273INTERCHANGEABLE
RING,PROTECTOR,IMPE
803082
5950-00-167-2490INTERCHANGEABLE
TRANSFORMER,POWER
B4013204-27
5950-00-201-7439INTERCHANGEABLE
REACTOR
70-4040
5310-00-209-2946INTERCHANGEABLE
WASHER,LOCK
120380
5342-00-364-1365INTERCHANGEABLE
BRACKET,FUEL FILTER
2990-00-374-8618INTERCHANGEABLE
MUFFLER,EXHAUST
5910-00-409-5542INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
100077
5905-00-458-6691INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
NB2664
6515-00-476-6451INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
3120-00-522-5013INTERCHANGEABLE
BUSHING,SLEEVE
121575

Frequently Asked Questions

What is NSN 5310-00-543-2705?

NSN 5310-00-543-2705 is a Washer,lock, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-543-2705?

NSN 5310-00-543-2705 has 50 cross-referenced part numbers: 678111 (Chrysler Realty Company Llc Dba Daimler Chrysler), 439969PC5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), PC120380 (Power Components (deutschland) Gmbh), 120380 (Rolls-Royce Solutions America Inc), MPD9576-57-25 (Met-Pro Corporation) and 45 more.

What NSN replaces 5310-00-543-2705?

There are 12 known substitutes for 5310-00-543-2705: 5310-00-010-3319, 9150-00-068-7862, 4920-00-144-5273 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 678111?

Key specifications for 678111: Hole Diameter: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: CADMIUM OR ZINC OVERALL; Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-543-2705 still in active supply?

NSN 5310-00-543-2705 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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