PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AES01F312875AW9A91Screw,cap,hexagon Head

The American Society of Mechanical Engineers · NSN 5305-00-051-4075 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-051-4075 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-051-4075. Primary manufacturer part number: AES01F312875AW9A91.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Material: STEEL OVERALL
  • Material Document and Classification: SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Quantity Per Inch: 24
  • Thread Series Designator: UNF
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Surface Treatment Document and Classification: ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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 5305-00-051-4075, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN5305-00-051-4075
Primary Part NumberAES01F312875AW9A91
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
MaterialSTEEL OVERALL
Material Document and ClassificationSAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch24
Thread Series DesignatorUNF
Nominal Thread Diameter0.312 INCHES IN
Surface Treatment Document and ClassificationASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Minimum Tensile Strength8700 POUNDS PER SQUARE INCH LBS
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 8 GRADE
Thread DirectionRIGHT-HAND
Surface TreatmentZINC AND CHROMATE OVERALL
Width Between Flats4.890 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Head StyleDISHED HEXAGON
Thread Class2A A
Thread Length0.875 INCHES MINIMUM IN
Fastener Length0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5841-00-249-0092320946 INTERCHANGEABLE
Reservoir,liquid
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5841-01-079-8714 INTERCHANGEABLE
Reservoir,liquid
5999-01-722-1553857-393 INTERCHANGEABLE
Contact,electrical
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
71144-33 Little Giant Crane and Shovel Inc (USA)
0001536-015 Zf Industrieantriebe Witten Gmbh (DEU)
5305000514075 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
FF-S-85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M290727-33 Zf Industrieantriebe Witten Gmbh (DEU)
ASME B18.2.1 The American Society of Mechanical Engineers (USA)
MS90727-33 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
B1821BH031F088N American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B182BH031F088N American National Standards Institute Incorporated Dba American National Standards Institute (USA)
857393 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
AES01F312875AW9A91 PRIMARY The American Society of Mechanical Engineers (USA)
Related Parts
5841-00-249-0092INTERCHANGEABLE
RESERVOIR,LIQUID
320946
5841-01-079-8714INTERCHANGEABLE
RESERVOIR,LIQUID
5999-01-722-1553INTERCHANGEABLE
CONTACT,ELECTRICAL
857-393

Frequently Asked Questions

What is NSN 5305-00-051-4075?

NSN 5305-00-051-4075 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-051-4075?

NSN 5305-00-051-4075 has 11 cross-referenced part numbers: 71144-33 (Little Giant Crane and Shovel Inc), 0001536-015 (Zf Industrieantriebe Witten Gmbh), 5305000514075 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC), M290727-33 (Zf Industrieantriebe Witten Gmbh) and 6 more.

What NSN replaces 5305-00-051-4075?

There are 3 known substitutes for 5305-00-051-4075: 5841-00-249-0092, 5841-01-079-8714, 5999-01-722-1553. Verify interchangeability with system specifications before substitution.

What are the specifications of AES01F312875AW9A91?

Key specifications for AES01F312875AW9A91: Material: STEEL OVERALL; Material Document and Classification: SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL; Thread Quantity Per Inch: 24. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-051-4075 still in active supply?

NSN 5305-00-051-4075 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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