PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10434Washer,lock

Kleinschmidt Inc · NSN 5310-00-209-3860 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-3860 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-3860. Primary manufacturer part number: 10434.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: PHOSPHATE OVERALL
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.255 INCHES NOMINAL IN
  • Hole Diameter: 0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
  • Material Thickness: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1561 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1566 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-209-3860, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-209-3860
Primary Part Number10434
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
MaterialSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentPHOSPHATE OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter0.255 INCHES NOMINAL IN
Hole Diameter0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
Material Thickness0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Nondefinitive Spec/std DataA CLASS AND 3 STYLE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0801 INTERCHANGEABLE
Cup,tapered Roller Bearing
4730-00-152-9916104-3/4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Elkhart Products Corp
4320-00-218-36994702P INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5999-00-257-355910434 INTERCHANGEABLE
Magnet,permanent
Naval Ship Systems Command
5120-00-288-918310434 INTERCHANGEABLE
Extractor,tap
Walton Co the
5330-00-313-764618393 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5910-00-521-788610434 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Cd Snow Hill, Llc
6680-01-082-2969 INTERCHANGEABLE
Indicator,sight,liquid
5960-01-210-087910434 INTERCHANGEABLE
Shield,electron Tube
Transdigm Inc
5985-01-354-6712G438220-1 INTERCHANGEABLE
Waveguide Assembly
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
10434 Kleinschmidt Inc (USA)
Related Parts
3110-00-100-0801INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
4730-00-152-9916INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
104-3/4
4320-00-218-3699INTERCHANGEABLE
RING,LANTERN
4702P
5999-00-257-3559INTERCHANGEABLE
MAGNET,PERMANENT
10434
5120-00-288-9183INTERCHANGEABLE
EXTRACTOR,TAP
10434
5330-00-313-7646INTERCHANGEABLE
GASKET
18393
5910-00-521-7886INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
10434
6680-01-082-2969INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
5960-01-210-0879INTERCHANGEABLE
SHIELD,ELECTRON TUBE
10434
5985-01-354-6712INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
G438220-1
4710-01-435-8001INTERCHANGEABLE
TUBE ASSEMBLY,METAL
10434
5342-01-525-5903INTERCHANGEABLE
ANODE,CORROSION PREVENTIVE
10-434

Frequently Asked Questions

What is NSN 5310-00-209-3860?

NSN 5310-00-209-3860 is a Washer,lock, manufactured by Kleinschmidt Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-3860?

NSN 5310-00-209-3860 has 1 cross-referenced part number: 10434 (Kleinschmidt Inc).

What NSN replaces 5310-00-209-3860?

There are 12 known substitutes for 5310-00-209-3860: 3110-00-100-0801, 4730-00-152-9916, 4320-00-218-3699 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10434?

Key specifications for 10434: Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: PHOSPHATE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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