Cross reference · SPS Technologies · Plate self-locking nut

2700SS cross referenceESNA ZA1913W, MS20501

2700SS is a SPS plate self-locking nut series on 6 government stock numbers. Its closest equivalents are ESNA ZA1913W, MS20501. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

6 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • ZA1913WESNACatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • ZA1913WPESNACatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes
3 more on one stock number each: LL2C1032SP, LL2C428SP, LL2C832SP
  • LL2C1032SPCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
  • LL2C428SPCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
  • LL2C832SPCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers

Standards

  • MS20501MSCatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • MS20501WMSCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes

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

Get quotes for 2700SS

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

Install tooling

SpecLok has no catalog family for 2700SS. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 2 of 6 stock numbers, 2 awards from 2023-11-01 to 2024-11-04.

Latest award per stock number: $19.48 to $75.00 each.

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

6 stock numbers
Part numbers DLA FLIS lists for 2700SS and its equivalents, by stock number
NSN2700SSZA1913WLL2C1032SPMS20501Last DLA price
5310-00-838-59902700SS02ZA1913W02LL2C1032SPMS20501-1032
5310-00-822-27912700SS-048ZA1913W048MS20501-428$19.48 2023-11
5310-01-053-09952700SS-064ZA1913W064MS20501-624$75.00 2024-11
5310-00-088-52172700SS82ZA1913W82MS20501-832
5310-01-029-81752700SS-064PW
5310-00-724-57332700SS-82PW

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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