Cross reference · Howmet Fastening Systems · Double hexagon self-locking nut

H53852 cross referenceSPS EWSN22, ESNA LH6520, NAS1759, Northrop GN511B

H53852 is a Howmet double hexagon self-locking nut series on 3 government stock numbers. Its closest equivalents are SPS EWSN22, ESNA LH6520, NAS1759, Northrop GN511B. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

3 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    4 more on one stock number each: EWSN22, EWSN22A, EWSN22M, LH6520
    • EWSN22SPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers
    • EWSN22ASPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers
    • EWSN22MSPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers
    • LH6520ESNACatalog only, needs approvalon 1 of 3 stock numbers

    Standards

    • NAS1759NASCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
    1 more on one stock number each: NAS1759L
    • NAS1759LNASCatalog only, needs approvalon 1 of 3 stock numbers

    Airframer and OEM drawings

      2 more on one stock number each: GN511B, GN511B918M
      • GN511BNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers
      • GN511B918MNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers

      Get quotes for H53852

      Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

      Install tooling

      SpecLok has no catalog family for H53852. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 3 of 3 stock numbers, 3 awards from 2023-12-27 to 2026-05-15.

      Latest award per stock number: $14.49 to $59.16 each.

      DLA production lead time: 90 to 133 days.

      Per size in the table below.

      DLA prices at DLA quantities, not a quote.Source

      DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.

      Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.

      Sizes by maker

      3 stock numbers
      Part numbers DLA FLIS lists for H53852 and its equivalents, by stock number
      NSNH53852EWSN22LH6520NAS1759GN511BLast DLA price
      5310-01-292-9567H53852-9$14.49 2026-05
      5310-00-175-3058H53852-10CWLH6520-108NAS1759-10$59.16 2023-12
      5310-00-067-7775H53852-9CWEWSN22-9NAS1759-9GN511B918$18.50 2026-05

      Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist.

      Sources and how to read this page.Details

      Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.

      Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply class 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

      Next · 3 Quote

      Quote H53852 or an equivalent

      Get quotes adds the part and its install tooling to your quote. Check another part number in the cross reference.