PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZINC COATED STE EL-ASTM B-633Nut,plain,hexagon

Zf Industrieantriebe Witten Gmbh · NSN 5310-01-280-6749 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-280-6749 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-280-6749. Primary manufacturer part number: ZINC COATED STE EL-ASTM B-633.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 11
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Hardness Rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-280-6749, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-280-6749
Primary Part NumberZINC COATED STE EL-ASTM B-633
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Width Across Flats0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
Thread Quantity Per Inch11
Bearing Surface TypeCHAMFERED OR WASHER FACED
Hardness Rating69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.625 INCHES IN
Thread DirectionRIGHT-HAND
Thread Class2B
Nut StyleHEXAGON
MaterialSTEEL OVERALL
Departure From Cited DocumentAS MODIFIED BY SURFACE TREATMENT
Nut Height0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-158-5171 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-851-2677 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
ZINC COATED STE EL-ASTM B-633 Zf Industrieantriebe Witten Gmbh (DEU)
MS35691-49 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
TYPE-2,STYLE-4, GRADE-B Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5310-00-158-5171INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-851-2677INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-280-6749?

NSN 5310-01-280-6749 is a Nut,plain,hexagon, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-280-6749?

NSN 5310-01-280-6749 has 3 cross-referenced part numbers: ZINC COATED STE EL-ASTM B-633 (Zf Industrieantriebe Witten Gmbh), MS35691-49 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), TYPE-2,STYLE-4, GRADE-B (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-01-280-6749?

There are 2 known substitutes for 5310-01-280-6749: 5310-00-158-5171, 5310-00-851-2677. Verify interchangeability with system specifications before substitution.

What are the specifications of ZINC COATED STE EL-ASTM B-633?

Key specifications for ZINC COATED STE EL-ASTM B-633: Width Across Flats: 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN; Thread Quantity Per Inch: 11; Bearing Surface Type: CHAMFERED OR WASHER FACED; Hardness Rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 14 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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