PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EN-4Nut,eye

Border States Industries, Inc. Dba Border States Electric Supply · NSN 5310-00-903-6537 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-903-6537 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-903-6537. Primary manufacturer part number: EN-4.
Features
  • Nut,eye — FSC 5310
  • Thread Class: 2B
  • Nominal Thread Size: 0.500 INCHES IN
  • Surface Treatment: ZINC OVERALL
  • Fabrication Method: FORGED
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Hole Width: 1.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,eye, cataloged under National Stock Number 5310-00-903-6537, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Border States Industries, Inc. Dba Border States Electric Supply. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-903-6537
Primary Part NumberEN-4
Item NameNut,eye
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBorder States Industries, Inc. Dba Border States Electric Supply
StatusACTIVE
Thread Class2B
Nominal Thread Size0.500 INCHES IN
Surface TreatmentZINC OVERALL
Fabrication MethodFORGED
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Hole Width1.500 INCHES NOMINAL IN
Thread Quantity Per Inch13
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6750-01-164-6463 INTERCHANGEABLE
Film,photographic
6750-01-227-0257 INTERCHANGEABLE
Film,photographic
6750-01-382-7305 INTERCHANGEABLE
Film,photographic
6750-01-382-7336 INTERCHANGEABLE
Film,photographic
6750-01-382-7372 INTERCHANGEABLE
Film,photographic
6750-01-382-7375 INTERCHANGEABLE
Film,photographic
6750-01-382-7387 INTERCHANGEABLE
Film,photographic
6750-01-384-0583 INTERCHANGEABLE
Film,photographic
6750-01-387-5784 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
J1091 Joslyn Corp (USA)
EN-4 PRIMARY Border States Industries, Inc. Dba Border States Electric Supply (USA)
Related Parts
6750-01-164-6463INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-227-0257INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-382-7305INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-382-7336INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-382-7372INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-382-7375INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-382-7387INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-384-0583INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-387-5784INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5310-00-903-6537?

NSN 5310-00-903-6537 is a Nut,eye, manufactured by Border States Industries, Inc. Dba Border States Electric Supply, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-903-6537?

NSN 5310-00-903-6537 has 2 cross-referenced part numbers: J1091 (Joslyn Corp), EN-4 (Border States Industries, Inc. Dba Border States Electric Supply).

What NSN replaces 5310-00-903-6537?

There are 9 known substitutes for 5310-00-903-6537: 6750-01-164-6463, 6750-01-227-0257, 6750-01-382-7305 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EN-4?

Key specifications for EN-4: Thread Class: 2B; Nominal Thread Size: 0.500 INCHES IN; Surface Treatment: ZINC OVERALL; Fabrication Method: FORGED. 9 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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