NSN 5305-01-561-8979 · NIIN 015618979 · Part number AES20X375B00EA3BZ1
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-561-8979 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-561-8979. Manufacturer of record part number: AES20X375B00EA3BZ1.
Also searched as5305-01-561-8979 ·
5305015618979 ·
NIIN 015618979 ·
01-561-8979 ·
FSC 5305 Screws · CAGE 05047 · AES20X375B00EA3BZ1
Specification/standard Data: ASME B18.-2004 AND B18.A-2006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface Treatment: PASSIVATE OVERALL
Internal Drive Style: HEXAGON
Material: STEEL OVERALL
1 manufacturer part number on file
Identification
NSN: 5305-01-561-8979
NIIN: 015618979
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: AES20X375B00EA3BZ1
Manufacturer: The American Society of Mechanical Engineers
General Description
The Screw,shoulder, cataloged under National Stock Number 5305-01-561-8979, 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 6 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
Parameter
Value
NSN
5305-01-561-8979
Primary Part Number
AES20X375B00EA3BZ1
Item Name
Screw,shoulder
FSC / FSG
5305 / 53 — Screws
Manufacturer
The American Society of Mechanical Engineers
Status
ACTIVE
Width Across Flats
0.375 INCHES NOMINAL IN
Fastener Length
2.000 INCHES NOMINAL IN
Specification/standard Data
ASME B18.-2004 AND B18.A-2006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
The American Society of Mechanical Engineers (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 5305-01-561-8979?
NSN 5305-01-561-8979 is a Screw,shoulder, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-561-8979?
NSN 5305-01-561-8979 has 1 manufacturer part number on file: AES20X375B00EA3BZ1 (The American Society of Mechanical Engineers).
What are the specifications of AES20X375B00EA3BZ1?
Key specifications for AES20X375B00EA3BZ1: Width Across Flats: 0.375 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Specification/standard Data: ASME B18.-2004 AND B18.A-2006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: PASSIVATE OVERALL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-561-8979 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.