PartsTable TECHNICAL DATA SHEET
Download PDF
NSN 5305-01-666-0373Government record, cited
Home › MRO › Hardware and Abrasives › 5305-01-666-0373

Screw, Cap, Hexagon Head5305-01-666-0373

NSN 5305-01-666-0373 · NIIN 016660373 · Part number AES01C250D50WA6DG1
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-666-0373 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-666-0373. Manufacturer of record part number: AES01C250D50WA6DG1.
Also searched as  5305-01-666-0373 · 5305016660373 · NIIN 016660373 · 01-666-0373 · FSC 5305 Screws · CAGE 05047 · AES01C250D50WA6DG1 · 08020G0000
Nearby stock numbers  ·
L 4.50 INCHES NOMINAL IN 20 BOLT/SCREW PROFILE
5305-01-666-0373 — Screws
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.1719 INCHES NOMINAL IN
  • Fastener Length: 4.50 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Width Between Flats: 0.4375 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Material: ZINC ALLOY OVERALL
Identification
  • NSN: 5305-01-666-0373
  • NIIN: 016660373
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: AES01C250D50WA6DG1
  • Manufacturer: The American Society of Mechanical Engineers
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-666-0373, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
NSN5305-01-666-0373
Primary Part NumberAES01C250D50WA6DG1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — Screws
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Head Height0.1719 INCHES NOMINAL IN
Fastener Length4.50 INCHES NOMINAL IN
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Between Flats0.4375 INCHES NOMINAL IN
Thread Quantity Per Inch20
MaterialZINC ALLOY OVERALL
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.
5305-01-666-0407AES01C625B00WA6DG1 POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-666-0411AES01F312A25WA6DG1 POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
5310-01-666-0601AEW24X62N000BD6A81 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
5310-01-666-0605AEW24X37NA00BD6A81 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
5305-01-666-0610AESF5C250750GM7DG1 POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
AES01C250D50WA6DG1 PRIMARY The American Society of Mechanical Engineers (USA)
Reference documents
ReferenceMeaning
08020G0000 D/9 Drawing number reference only
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Related Parts
5305-01-666-0407POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
AES01C625B00WA6DG1
5305-01-666-0411POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
AES01F312A25WA6DG1
5310-01-666-0601POSSIBLE MATCH
WASHER,FLAT
AEW24X62N000BD6A81
5310-01-666-0605POSSIBLE MATCH
WASHER,FLAT
AEW24X37NA00BD6A81
5305-01-666-0610POSSIBLE MATCH
SCREW,MACHINE
AESF5C250750GM7DG1

Frequently Asked Questions

What is NSN 5305-01-666-0373?

NSN 5305-01-666-0373 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-666-0373?

NSN 5305-01-666-0373 has 1 manufacturer part number on file: AES01C250D50WA6DG1 (The American Society of Mechanical Engineers).

What NSN replaces 5305-01-666-0373?

5 possible matches (shared part number, not a government interchangeability claim): 5305-01-666-0407, 5305-01-666-0411, 5310-01-666-0601. Verify interchangeability with system specifications before substitution.

What are the specifications of AES01C250D50WA6DG1?

Key specifications for AES01C250D50WA6DG1: Head Height: 0.1719 INCHES NOMINAL IN; Fastener Length: 4.50 INCHES NOMINAL IN; Head Style: HEXAGON; Thread Direction: RIGHT-HAND. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-666-0373 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/5305-01-666-0373
✓ 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