NSN 5305-01-503-3152 · NIIN 015033152 · Part number B1821BH025C250C
The American Society of Mechanical Engineers · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5305-01-503-3152 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-503-3152. Manufacturer of record part number: B1821BH025C250C.
Also searched as5305-01-503-3152 ·
5305015033152 ·
NIIN 015033152 ·
01-503-3152 ·
FSC 5305 Screws · CAGE 05047 · B1821BH025C250C
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Hole Type: DRILLED
Identification
NSN: 5305-01-503-3152
NIIN: 015033152
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: B1821BH025C250C
Manufacturer: The American Society of Mechanical Engineers
General Description
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-503-3152, 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. Current acquisition status: Active.
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.
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5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-503-3152?
NSN 5305-01-503-3152 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 5305-01-503-3152?
NSN 5305-01-503-3152 has 1 manufacturer part number on file: B1821BH025C250C (The American Society of Mechanical Engineers).
What are the specifications of B1821BH025C250C?
Key specifications for B1821BH025C250C: Fastener Length: 4.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Surface Treatment: ZINC OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-503-3152 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.