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NSN 5305-01-573-7666Government record, cited
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Screw, Cap, Socket Head5305-01-573-7666

NSN 5305-01-573-7666 · NIIN 015737666 · Part number AES18C375A00DG5A81
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-573-7666 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-573-7666. Manufacturer of record part number: AES18C375A00DG5A81.
Also searched as  5305-01-573-7666 · 5305015737666 · NIIN 015737666 · 01-573-7666 · FSC 5305 Screws · CAGE 05047 · AES18C375A00DG5A81 · ASME B18.3-2003 · ASME B18.24-2004
Nearby stock numbers  ·
L 1.000 INCHES NOMINAL IN ⌀0.375 INCHES IN UNIFIED NATIONAL COARSE (UNC) BOLT/SCREW PROFILE
5305-01-573-7666 — Screws
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Thread Length: 1.000 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Head Style: PAN
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: ZINC OVERALL
  • Internal Drive Style: HEXAGON
Identification
  • NSN: 5305-01-573-7666
  • NIIN: 015737666
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: AES18C375A00DG5A81
  • Manufacturer: The American Society of Mechanical Engineers
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-573-7666, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
NSN5305-01-573-7666
Primary Part NumberAES18C375A00DG5A81
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Fastener Length1.000 INCHES NOMINAL IN
Thread Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Head StylePAN
Thread DirectionRIGHT-HAND
Surface TreatmentZINC OVERALL
Internal Drive StyleHEXAGON
Thread Quantity Per Inch16
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
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
AES18C375A00DG5A81 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
5305-01-574-3781POSSIBLE 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 5305-01-573-7666?

NSN 5305-01-573-7666 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 5305-01-573-7666?

NSN 5305-01-573-7666 has 1 manufacturer part number on file: AES18C375A00DG5A81 (The American Society of Mechanical Engineers).

What NSN replaces 5305-01-573-7666?

5 possible matches (shared part number, not a government interchangeability claim): 5305-01-574-3781, 5305-01-574-4758, 5305-01-575-1689. Verify interchangeability with system specifications before substitution.

What are the specifications of AES18C375A00DG5A81?

Key specifications for AES18C375A00DG5A81: Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: PAN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-573-7666 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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