NSN 5305-01-561-9790 · NIIN 015619790 · Part number AES18C190500EA3BZ1
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-561-9790 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-561-9790. Manufacturer of record part number: AES18C190500EA3BZ1.
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
1 manufacturer part number on file
Manufacturer of record: The American Society of Mechanical Engineers
Identification
NSN: 5305-01-561-9790
NIIN: 015619790
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: AES18C190500EA3BZ1
Manufacturer: The American Society of Mechanical Engineers
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-561-9790, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-561-9790
Primary Part Number
AES18C190500EA3BZ1
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
The American Society of Mechanical Engineers
Status
ACTIVE
Fastener Length
0.5 MILLIMETERS NOMINAL MM
Thread Length
0.1 MILLIMETERS NOMINAL MM
Thread Direction
RIGHT-HAND
Material
STEEL OVERALL
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-570-5862AES18U250625EA2A31POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-570-8582AES18C250A50BB3A91POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-573-7666AES18C375A00DG5A81POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-574-3781AES18C375875CH7A31POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-574-4758AES18C375625CH7A31POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-575-1689AES18C375A50CH7A31POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-578-2245AES18U250625EA2A11POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-578-2258AES18K190500EA2A16POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
The American Society of Mechanical Engineers (USA)
Reference documents
Reference
Meaning
ASME B18.24-2004
5/1Secondary reference
The American Society of Mechanical Engineers
ASME B18.3-2003
5/1Secondary reference
The American Society of Mechanical Engineers
Related Parts
5305-01-570-5862POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18U250625EA2A31
5305-01-570-8582POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18C250A50BB3A91
5305-01-573-7666POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18C375A00DG5A81
5305-01-574-3781POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18C375875CH7A31
5305-01-574-4758POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18C375625CH7A31
5305-01-575-1689POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18C375A50CH7A31
5305-01-578-2245POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18U250625EA2A11
5305-01-578-2258POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18K190500EA2A16
Frequently Asked Questions
What is NSN 5305-01-561-9790?
NSN 5305-01-561-9790 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-561-9790?
NSN 5305-01-561-9790 has 1 manufacturer part number on file: AES18C190500EA3BZ1 (The American Society of Mechanical Engineers).
What NSN replaces 5305-01-561-9790?
8 possible matches (shared part number, not a government interchangeability claim): 5305-01-570-5862, 5305-01-570-8582, 5305-01-573-7666. Verify interchangeability with system specifications before substitution.
What are the specifications of AES18C190500EA3BZ1?
Key specifications for AES18C190500EA3BZ1: Fastener Length: 0.5 MILLIMETERS NOMINAL MM; Thread Length: 0.1 MILLIMETERS NOMINAL MM; Thread Direction: RIGHT-HAND; Special Features: MATERIAL IS STAINLESS STEEL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-561-9790 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.