PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1821BH075C400NScrew,cap,hexagon Head

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5305-00-947-4358 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-947-4358 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-947-4358. Primary manufacturer part number: B1821BH075C400N.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Material: STEEL OVERALL
  • Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS
  • Thread Class: 2A A
  • Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
  • Width Between Flats: 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.750 INCHES IN
  • Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-947-4358, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-947-4358
Primary Part NumberB1821BH075C400N
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusCANCELLED
MaterialSTEEL OVERALL
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Head Height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
Width Between Flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Nominal Thread Diameter0.750 INCHES IN
Minimum Yield Strength120000 POUNDS PER SQUARE INCH LBS
Head StyleHEXAGON
Fastener Length4.000 INCHES NOMINAL IN
Thread Length1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentZINC AND CHROMATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Hardness Rating33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationSAEJ429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch10
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5365-01-179-23381200204 INTERCHANGEABLE
Spacer,sleeve
Delta Intl Machinery Corp
1095-01-318-8964 INTERCHANGEABLE
Arming Unit
5305-01-352-4202 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
1200-204 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
B1821BH075C400N PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
5305PL0780552 Jednolity Indeks Materialowy - Uniform Material Index (POL)
403430 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
MS90728-195 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
35A2-C-386 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5365-01-179-2338INTERCHANGEABLE
SPACER,SLEEVE
1200204
1095-01-318-8964INTERCHANGEABLE
ARMING UNIT
5305-01-352-4202INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-947-4358?

NSN 5305-00-947-4358 is a Screw,cap,hexagon Head, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-947-4358?

NSN 5305-00-947-4358 has 6 cross-referenced part numbers: 1200-204 (Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations), B1821BH075C400N (American National Standards Institute Incorporated Dba American National Standards Institute), 5305PL0780552 (Jednolity Indeks Materialowy - Uniform Material Index), 403430 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), MS90728-195 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5305-00-947-4358?

There are 3 known substitutes for 5305-00-947-4358: 5365-01-179-2338, 1095-01-318-8964, 5305-01-352-4202. Verify interchangeability with system specifications before substitution.

What are the specifications of B1821BH075C400N?

Key specifications for B1821BH075C400N: Material: STEEL OVERALL; Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS; Thread Class: 2A A; Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-947-4358 still in active supply?

NSN 5305-00-947-4358 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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