PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23545Washer,flat

Helicopter Parts Service Inc · NSN 5310-00-797-4715 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-797-4715 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-797-4715. Primary manufacturer part number: 23545.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.125 INCHES NOMINAL IN
  • Material Document and Classification: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 4130 OVERALL
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-797-4715, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Helicopter Parts Service Inc. Government technical data includes 10 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-797-4715
Primary Part Number23545
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHelicopter Parts Service Inc
StatusACTIVE
Thickness0.125 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 4130 OVERALL
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.489 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2920-00-496-4740 INTERCHANGEABLE
Parts Kit,ignition Magneto
5950-00-645-943223545 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
5961-01-204-30321N5416 INTERCHANGEABLE
Semiconductor Device,diode
Micro Uspd Inc
6505-01-595-5160 INTERCHANGEABLE
Sodium Chloride Injection
5940-01-699-480823545 INTERCHANGEABLE
Cover,terminal
Heil Trailer International Llc
5975-01-727-312023545 INTERCHANGEABLE
Cable Nipple,electrical
Waytek Inc
3040-01-732-525660068 INTERCHANGEABLE
Connecting Link,rigid
Md Helicopters Inc
Cross-Reference Index
Part NumberManufacturer
23545 Helicopter Parts Service Inc (USA)
23545 Hiller Aircraft Corporation (USA)
Related Parts
2920-00-496-4740INTERCHANGEABLE
PARTS KIT,IGNITION MAGNETO
5950-00-645-9432INTERCHANGEABLE
REACTOR
23545
5961-01-204-3032INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N5416
6505-01-595-5160INTERCHANGEABLE
SODIUM CHLORIDE INJECTION
5940-01-699-4808INTERCHANGEABLE
COVER,TERMINAL
23545
5975-01-727-3120INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
23545
3040-01-732-5256INTERCHANGEABLE
CONNECTING LINK,RIGID
60068

Frequently Asked Questions

What is NSN 5310-00-797-4715?

NSN 5310-00-797-4715 is a Washer,flat, manufactured by Helicopter Parts Service Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-797-4715?

NSN 5310-00-797-4715 has 2 cross-referenced part numbers: 23545 (Helicopter Parts Service Inc), 23545 (Hiller Aircraft Corporation).

What NSN replaces 5310-00-797-4715?

There are 7 known substitutes for 5310-00-797-4715: 2920-00-496-4740, 5950-00-645-9432, 5961-01-204-3032 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23545?

Key specifications for 23545: Thickness: 0.125 INCHES NOMINAL IN; Material Document and Classification: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 4130 OVERALL; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 10 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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