PartsTable TECHNICAL DATA SHEET
Download PDF
NSN 5305-01-561-9780Government record, cited
Home › MRO › Hardware and Abrasives › 5305-01-561-9780

Screw, Cap, Socket Head5305-01-561-9780

NSN 5305-01-561-9780 · NIIN 015619780 · Part number AES18C164500EA3BZA
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-561-9780 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-561-9780. Manufacturer of record part number: AES18C164500EA3BZA.
Also searched as  5305-01-561-9780 · 5305015619780 · NIIN 015619780 · 01-561-9780 · FSC 5305 Screws · CAGE 05047 · AES18C164500EA3BZA · ASME B18.3-2003 · ASME B18.24-2004
Nearby stock numbers  ·
L 0.500 INCHES NOMINAL IN ⌀0.164 INCHES IN UNIFIED NATIONAL COARSE (UNC) BOLT/SCREW PROFILE
5305-01-561-9780 — Screws
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.094 INCHES NOMINAL IN
  • Head Height: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: ASTM A967. NITRIC 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Material Document and Classification: ASTM F879, GROUP 1. COND CW ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Diameter: 0.164 INCHES IN
Identification
  • NSN: 5305-01-561-9780
  • NIIN: 015619780
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: AES18C164500EA3BZA
  • Manufacturer: The American Society of Mechanical Engineers
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-561-9780, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-561-9780
Primary Part NumberAES18C164500EA3BZA
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Width Across Flats0.094 INCHES NOMINAL IN
Head Height0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Surface Treatment Document and ClassificationASTM A967. NITRIC 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Length0.500 INCHES NOMINAL IN
Material Document and ClassificationASTM F879, GROUP 1. COND CW ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.164 INCHES IN
Head StyleBUTTON
Thread DirectionRIGHT-HAND
Locking FeatureSTRIP LOCKING FEATURE
Surface TreatmentPASSIVATE OVERALL
Internal Drive StyleHEXAGON
Thread Class2A A
Thread Quantity Per Inch32
MaterialSTEEL COMP 304 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.298 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-561-9790AES18C190500EA3BZ1 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-570-5862AES18U250625EA2A31 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-570-8582AES18C250A50BB3A91 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-573-7666AES18C375A00DG5A81 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-574-3781AES18C375875CH7A31 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-574-4758AES18C375625CH7A31 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-575-1689AES18C375A50CH7A31 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-578-2245AES18U250625EA2A11 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-578-2258AES18K190500EA2A16 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
AES18C164500EA3BZA PRIMARY The American Society of Mechanical Engineers (USA)
Reference documents
ReferenceMeaning
ASME B18.3-2003 5/1 Secondary reference
The American Society of Mechanical Engineers
ASME B18.24-2004 5/1 Secondary reference
The American Society of Mechanical Engineers
Related Parts
5305-01-561-9790POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
AES18C190500EA3BZ1
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 5305-01-561-9780?

NSN 5305-01-561-9780 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 5305-01-561-9780?

NSN 5305-01-561-9780 has 1 manufacturer part number on file: AES18C164500EA3BZA (The American Society of Mechanical Engineers).

What NSN replaces 5305-01-561-9780?

9 possible matches (shared part number, not a government interchangeability claim): 5305-01-561-9790, 5305-01-570-5862, 5305-01-570-8582. Verify interchangeability with system specifications before substitution.

What are the specifications of AES18C164500EA3BZA?

Key specifications for AES18C164500EA3BZA: Width Across Flats: 0.094 INCHES NOMINAL IN; Head Height: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN; Fastener Length: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM A967. NITRIC 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 17 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-561-9780 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.

PartsTable — the parts reference. Every fact cited to its source.
partstable.com/parts/5305-01-561-9780
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com
partstable.com · © 2026 PartsTable. Data for reference only.
Home · MRO Catalog · Hardware and Abrasives