PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8909349Washer,lock

Us Army Aviation and Missile Command · NSN 5310-00-261-7155 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-261-7155 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-261-7155. Primary manufacturer part number: 8909349.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: FLAT INTERNAL TEETH
  • Outside Diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
  • Material: STEEL COMP 410 OVERALL
  • Material Thickness: 0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-261-7155, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-261-7155
Primary Part Number8909349
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT INTERNAL TEETH
Outside Diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
MaterialSTEEL COMP 410 OVERALL
Material Thickness0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6145-00-160-4981 INTERCHANGEABLE
Cable,power,electrical
5962-00-172-1019104-78 INTERCHANGEABLE
Microcircuit,linear
Astronautics Corporation of America
5340-00-205-707910478 INTERCHANGEABLE
Hook,screw
Hindley Manufacturing Company Inc
5995-00-553-6168 INTERCHANGEABLE
Lead,electrical
5950-00-923-4881 INTERCHANGEABLE
Transformer,power
5950-00-936-267610478 INTERCHANGEABLE
Coil,radio Frequency
Torotel, Inc. Div Torotel Products, Inc.
5985-01-239-650310478 INTERCHANGEABLE
Antenna
Entron Industries Limited Partnership Dba Entron Industries Property Div
5935-01-256-598710478 INTERCHANGEABLE
Jackscrew,electrical Connector
Aimtron Systems, Llc
5355-01-327-728810478 INTERCHANGEABLE
Knob
Flotron
3020-01-502-655310-478 INTERCHANGEABLE
Gear,bevel
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
579R186H10 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
10478 Kleinschmidt Inc (USA)
9072776 Us Army Aviation and Missile Command (USA)
1724-02-00-4102 Itw Shakeproof Automotive Products (USA)
8909349 PRIMARY Us Army Aviation and Missile Command (USA)
1724-02 Itw Shakeproof Automotive Products (USA)
579R186H10 Northrop Grumman Support Services Corp (USA)
236-1016P3 Raytheon Company Div Corp (USA)
Related Parts
6145-00-160-4981INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5962-00-172-1019INTERCHANGEABLE
MICROCIRCUIT,LINEAR
104-78
5340-00-205-7079INTERCHANGEABLE
HOOK,SCREW
10478
5995-00-553-6168INTERCHANGEABLE
LEAD,ELECTRICAL
5950-00-923-4881INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-936-2676INTERCHANGEABLE
COIL,RADIO FREQUENCY
10478
5985-01-239-6503INTERCHANGEABLE
ANTENNA
10478
5935-01-256-5987INTERCHANGEABLE
JACKSCREW,ELECTRICAL CONNECTOR
10478
5355-01-327-7288INTERCHANGEABLE
KNOB
10478
3020-01-502-6553INTERCHANGEABLE
GEAR,BEVEL
10-478
6630-01-628-6650INTERCHANGEABLE
WATER SAMPLING TEST KIT,CHLORIDE
10478

Frequently Asked Questions

What is NSN 5310-00-261-7155?

NSN 5310-00-261-7155 is a Washer,lock, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-261-7155?

NSN 5310-00-261-7155 has 8 cross-referenced part numbers: 579R186H10 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 10478 (Kleinschmidt Inc), 9072776 (Us Army Aviation and Missile Command), 1724-02-00-4102 (Itw Shakeproof Automotive Products), 8909349 (Us Army Aviation and Missile Command) and 3 more.

What NSN replaces 5310-00-261-7155?

There are 11 known substitutes for 5310-00-261-7155: 6145-00-160-4981, 5962-00-172-1019, 5340-00-205-7079 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8909349?

Key specifications for 8909349: Surface Treatment: PASSIVATE OVERALL; Hole Diameter: 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: FLAT INTERNAL TEETH. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-261-7155 still in active supply?

NSN 5310-00-261-7155 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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