PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AES01C250A00AA9LP7Screw,cap,hexagon Head

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5305-01-317-9818 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-317-9818 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-317-9818. Primary manufacturer part number: AES01C250A00AA9LP7.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Material: STEEL COMP 304 OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Departure From Cited Document: AS MODIFIED BY DRILLED HEAD
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-317-9818, 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 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-317-9818
Primary Part NumberAES01C250A00AA9LP7
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Head StyleHEXAGON
MaterialSTEEL COMP 304 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Departure From Cited DocumentAS MODIFIED BY DRILLED HEAD
Surface TreatmentPASSIVATE OVERALL
Thread Class2A A
Fastener Length1.000 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter0.250 INCHES IN
Criticality Code JustificationFEAT
Thread Length1.000 INCHES MAXIMUM IN
Head Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Width Between Flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-207-82531/4-20 X 1 HEX INTERCHANGEABLE
Screw,cap,hexagon Head
Nyf/new York Fasteners/corp
5305-01-321-3497645A560H55 INTERCHANGEABLE
Screw,cap,hexagon Head
Northrop Grumman Support Services Corp
5305-01-585-9282 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
MS35307-1/4-20X1IN. Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AES01C250A00AA9LP7 PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS35307-308 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35307-308-DRILLED-HEAD Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-S-85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-207-8253INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1/4-20 X 1 HEX
5305-01-321-3497INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
645A560H55
5305-01-585-9282INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-01-317-9818?

NSN 5305-01-317-9818 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: active.

What are the part numbers for NSN 5305-01-317-9818?

NSN 5305-01-317-9818 has 5 cross-referenced part numbers: MS35307-1/4-20X1IN. (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AES01C250A00AA9LP7 (American National Standards Institute Incorporated Dba American National Standards Institute), MS35307-308 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35307-308-DRILLED-HEAD (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-01-317-9818?

There are 3 known substitutes for 5305-01-317-9818: 5305-00-207-8253, 5305-01-321-3497, 5305-01-585-9282. Verify interchangeability with system specifications before substitution.

What are the specifications of AES01C250A00AA9LP7?

Key specifications for AES01C250A00AA9LP7: Head Style: HEXAGON; Material: STEEL COMP 304 OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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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