PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25164Washer,flat

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5310-00-527-4688 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-527-4688 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-527-4688. Primary manufacturer part number: 25164.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: CADMIUM OVERALL
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-527-4688, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-527-4688
Primary Part Number25164
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusCANCELLED
Hole Diameter0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentCADMIUM OVERALL
Peripheral Shape StyleROUND
Overall Diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5950-00-113-23472516-4 INTERCHANGEABLE
Coil,radio Frequency
General Microwave Corporation Div Kratos Microwave Electronics
5133-00-228-135714790 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
5330-00-260-925625164 INTERCHANGEABLE
Packing,preformed
Honeywell International Inc. Div Aerospace - Torrance
5331-01-708-726225-164 INTERCHANGEABLE
O-Ring
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
25164 Teledyne Industries Inc Teledyne Power Systems Div (USA)
25164 Continental Aerospace Technologies, Inc. (USA)
Related Parts
5950-00-113-2347INTERCHANGEABLE
COIL,RADIO FREQUENCY
2516-4
5133-00-228-1357INTERCHANGEABLE
DRILL,TWIST
14790
5330-00-260-9256INTERCHANGEABLE
PACKING,PREFORMED
25164
5331-01-708-7262INTERCHANGEABLE
O-RING
25-164

Frequently Asked Questions

What is NSN 5310-00-527-4688?

NSN 5310-00-527-4688 is a Washer,flat, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-527-4688?

NSN 5310-00-527-4688 has 2 cross-referenced part numbers: 25164 (Teledyne Industries Inc Teledyne Power Systems Div), 25164 (Continental Aerospace Technologies, Inc.).

What NSN replaces 5310-00-527-4688?

There are 4 known substitutes for 5310-00-527-4688: 5950-00-113-2347, 5133-00-228-1357, 5330-00-260-9256 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25164?

Key specifications for 25164: Hole Diameter: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Material: STEEL OVERALL; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Center Hole Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-527-4688 still in active supply?

NSN 5310-00-527-4688 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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