PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

145389Washer,convex

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-095-3439 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-095-3439 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-095-3439. Primary manufacturer part number: 145389.
Features
  • Washer,convex — FSC 5310
  • Outside Diameter: 0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
  • Material: STEEL COMP 8740 OVERALL
  • Material Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Surface Treatment: CADMIUM OVERALL
  • Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Washer,convex, cataloged under National Stock Number 5310-00-095-3439, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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: Active.

Technical Specifications
ParameterValue
NSN5310-00-095-3439
Primary Part Number145389
Item NameWasher,convex
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Outside Diameter0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
MaterialSTEEL COMP 8740 OVERALL
Material Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorCONVEX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6625-00-196-6797 INTERCHANGEABLE
Ammeter
2910-00-790-2300053754-01 INTERCHANGEABLE
Filter Element,fluid
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5815-00-921-8748 INTERCHANGEABLE
Teletypewriter Subassembly
5998-01-079-4145145389 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Electronics and Missiles Div
Cross-Reference Index
Part NumberManufacturer
145389 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
145389 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6625-00-196-6797INTERCHANGEABLE
AMMETER
2910-00-790-2300INTERCHANGEABLE
FILTER ELEMENT,FLUID
053754-01
5815-00-921-8748INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5998-01-079-4145INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
145389

Frequently Asked Questions

What is NSN 5310-00-095-3439?

NSN 5310-00-095-3439 is a Washer,convex, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-095-3439?

NSN 5310-00-095-3439 has 2 cross-referenced part numbers: 145389 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 145389 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-00-095-3439?

There are 4 known substitutes for 5310-00-095-3439: 6625-00-196-6797, 2910-00-790-2300, 5815-00-921-8748 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 145389?

Key specifications for 145389: Outside Diameter: 0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN; Material: STEEL COMP 8740 OVERALL; Material Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 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.
PartsTable Design LLC · partstable.com