NSN 5305-01-623-4923 · NIIN 016234923 · Part number AES01C375A37AW99B1
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-623-4923 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-623-4923. Manufacturer of record part number: AES01C375A37AW99B1.
Nearby stock numbers← 5305-01-623-4914 Screw, Cap, Hexagon Head
·
5305-01-623-4926 Screw, Cap, Hexagon Head →
5305-01-623-4923 — Screws
Features
Screw,cap,hexagon Head — FSC 5305
2 manufacturer part numbers on file
Manufacturer of record: The American Society of Mechanical Engineers
Identification
NSN: 5305-01-623-4923
NIIN: 016234923
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: AES01C375A37AW99B1
Manufacturer: The American Society of Mechanical Engineers
General Description
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-623-4923, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 — Screws (FSG 53)
Manufacturers
The American Society of Mechanical Engineers (CAGE 05047); General Dynamics Land Systems Inc. (CAGE 01417)
Technical Specifications
Parameter
Value
NSN
5305-01-623-4923
Primary Part Number
AES01C375A37AW99B1
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
The American Society of Mechanical Engineers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-623-4926G1921BH025C050NPOSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems Inc.
5305-01-625-4852G1921BH038F100NPOSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems Inc.
5305-01-625-4867G1921BH038C075NPOSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems Inc.
5305-01-625-4878G1921BH025C100NPOSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems Inc.
5305-01-625-7372G1921BH038C600NPOSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems Inc.
5305-01-628-3899G1921BH038C113NPOSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)General Dynamics Land Systems Inc.
NSN 5305-01-623-4923 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 5305-01-623-4923?
NSN 5305-01-623-4923 has 2 manufacturer part numbers on file: AES01C375A37AW99B1 (The American Society of Mechanical Engineers), G1921BH038C138N (General Dynamics Land Systems Inc.).
What NSN replaces 5305-01-623-4923?
6 possible matches (shared part number, not a government interchangeability claim): 5305-01-623-4926, 5305-01-625-4852, 5305-01-625-4867. Verify interchangeability with system specifications before substitution.
Is NSN 5305-01-623-4923 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.