PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X1270Washer,lock

Kenworth Truck Co a Div of Paccar Inc · NSN 5310-00-011-5545 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-011-5545 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-011-5545. Primary manufacturer part number: X1270.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Hole Diameter: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
  • Outside Diameter: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
  • Material Thickness: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
  • 26 verified cross-references
  • Primary manufacturer: Kenworth Truck Co a Div of Paccar Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-011-5545, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kenworth Truck Co a Div of Paccar Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 24 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
NSN5310-00-011-5545
Primary Part NumberX1270
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKenworth Truck Co a Div of Paccar Inc
StatusCANCELLED
Style DesignatorFLAT INTERNAL TEETH
Hole Diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Outside Diameter0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
Material Thickness0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9390-00-056-7851 INTERCHANGEABLE
Nonmetallic Channel
4730-00-107-3153 INTERCHANGEABLE
Plug,pipe
9905-00-205-279500328-0003 INTERCHANGEABLE
Reflector,indicating,clearance
Asrc Federal Facilities Logistics, Llc
3460-00-230-2292 INTERCHANGEABLE
Holder,cutting Tool
2940-00-505-671108E01050000 INTERCHANGEABLE
Filter Element,fluid
General Services Administration Federal Supply Service
5330-00-575-5217 INTERCHANGEABLE
Seal
5905-00-581-1406 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5935-00-636-8411UG-566A/U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
5999-00-672-9243P36 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
5905-00-682-0064 INTERCHANGEABLE
Resistor,fixed,wire Wound
Cross-Reference Index
Part NumberManufacturer
X1270 Kenworth Truck Co a Div of Paccar Inc (USA)
24790D Navistar International Corporation Dba Navistar (USA)
X7-28 Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248 (USA)
200816A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
115545 Rolls-Royce Solutions America Inc (USA)
115545 General Motors Corp (USA)
A174836 CAGE 00000
13E10 Clark Material Handling Company (USA)
P36 Fmc Corp (USA)
115545 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
X1270 Diamond Reo Truck Co (USA)
200816A Hercules Engine Co Inc (USA)
P36 Bae Systems Land & Armaments L.p. (USA)
125-10498-06 Gte Communication Systems Corp (USA)
5D4150 Westinghouse Electric Corp (USA)
LISC10 Industrial Fasteners Corp (USA)
115545 Navistar International Corporation Dba Navistar (USA)
0356 Harley Davidson Motor Co Inc (USA)
13E10 Clark Equipment Co (USA)
X1270 Kaitlin Corp (USA)
Related Parts
9390-00-056-7851INTERCHANGEABLE
NONMETALLIC CHANNEL
4730-00-107-3153INTERCHANGEABLE
PLUG,PIPE
9905-00-205-2795INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
00328-0003
3460-00-230-2292INTERCHANGEABLE
HOLDER,CUTTING TOOL
2940-00-505-6711INTERCHANGEABLE
FILTER ELEMENT,FLUID
08E01050000
5330-00-575-5217INTERCHANGEABLE
SEAL
5905-00-581-1406INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5935-00-636-8411INTERCHANGEABLE
ADAPTER,CONNECTOR
UG-566A/U
5999-00-672-9243INTERCHANGEABLE
HEATER,THERMAL RELEASE
P36
5905-00-682-0064INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2940-00-689-3288INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42592
9390-00-711-7666INTERCHANGEABLE
NONMETALLIC CHANNEL

Frequently Asked Questions

What is NSN 5310-00-011-5545?

NSN 5310-00-011-5545 is a Washer,lock, manufactured by Kenworth Truck Co a Div of Paccar Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-011-5545?

NSN 5310-00-011-5545 has 26 cross-referenced part numbers: X1270 (Kenworth Truck Co a Div of Paccar Inc), 24790D (Navistar International Corporation Dba Navistar), X7-28 (Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248), 200816A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 115545 (Rolls-Royce Solutions America Inc) and 21 more.

What NSN replaces 5310-00-011-5545?

There are 12 known substitutes for 5310-00-011-5545: 9390-00-056-7851, 4730-00-107-3153, 9905-00-205-2795 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X1270?

Key specifications for X1270: Style Designator: FLAT INTERNAL TEETH; Hole Diameter: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN; Outside Diameter: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN; Material Thickness: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-011-5545 still in active supply?

NSN 5310-00-011-5545 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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