Cross reference · Cherry Aerospace · Plate self-locking nut

T2CH cross referenceHowmet K1131, ESNA LHTA58, MS21050, Northrop GN10BG

T2CH is a Cherry plate self-locking nut series on 3 government stock numbers. Its closest equivalents are Howmet K1131, ESNA LHTA58, MS21050, Northrop GN10BG. 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

  • K1131Howmet Fastening SystemsCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
  • LHTA58ESNACatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
  • R2100CHowmet Fastening SystemsCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes

Standards

  • MS21050MSCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
1 more on one stock number each: NAS681C
  • NAS681CNASCatalog only, needs approvalon 1 of 3 stock numbers

Airframer and OEM drawings

    1 more on one stock number each: GN10BG
    • GN10BGNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers

    Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for T2CH

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

    Install tooling

    SpecLok has no catalog family for T2CH. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    Sizes by maker

    3 stock numbers
    Part numbers DLA FLIS lists for T2CH and its equivalents, by stock number
    NSNT2CHK1131LHTA58MS21050NAS681CGN10BGLast DLA price
    5310-00-772-7946T2CH428K1131-4LHTA58-2860-048MS21050-4
    5310-00-772-7948T2CH832K1131-08LHTA58-2860-82MS21050-08
    5310-00-616-1508T2CH1032K1131-3LHTA58-2860-02NAS681C3GN10BG1032

    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.

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