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NSN 5305-01-671-0940Government record, cited

Screw, Cap, Socket Head5305-01-671-0940

NSN 5305-01-671-0940 · NIIN 016710940 · Part number AES18U250500AA9A11
Asme Standards Technology, Llc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 45MU9
Government record, cited
NSN 5305-01-671-0940 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-671-0940. Manufacturer of record part number: AES18U250500AA9A11.
Also searched as  5305-01-671-0940 · 5305016710940 · NIIN 016710940 · 01-671-0940 · FSC 5305 Screws · CAGE 45MU9 · AES18U250500AA9A11
Nearby stock numbers  ·
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Style: BUTTON
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
  • Material: STEEL COMP 304 OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Identification
  • NSN: 5305-01-671-0940
  • NIIN: 016710940
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: AES18U250500AA9A11
  • Manufacturer: Asme Standards Technology, Llc
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-671-0940, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Asme Standards Technology, Llc. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-671-0940
Primary Part NumberAES18U250500AA9A11
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerAsme Standards Technology, Llc
StatusACTIVE
Fastener Length0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Head StyleBUTTON
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
MaterialSTEEL COMP 304 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
Cross-Reference Index
Part NumberManufacturer
AES18U250500AA9A11 PRIMARY Asme Standards Technology, Llc (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-671-0940?

NSN 5305-01-671-0940 is a Screw,cap,socket Head, manufactured by Asme Standards Technology, Llc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-671-0940?

NSN 5305-01-671-0940 has 1 manufacturer part number on file: AES18U250500AA9A11 (Asme Standards Technology, Llc).

What are the specifications of AES18U250500AA9A11?

Key specifications for AES18U250500AA9A11: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: BUTTON; Thread Direction: RIGHT-HAND. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-671-0940 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.
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