NSN 5305-01-681-6489 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-681-6489. Manufacturer of record part number: 90298A578.
Also searched as5305-01-681-6489 ·
5305016816489 ·
NIIN 016816489 ·
01-681-6489 ·
FSC 5305 Screws · CAGE 549W5 · 90298A578
Nearby stock numbers← 5305-01-681-6484 Screw, Cap, Socket Head
·
5305-01-681-6494 Screw, Cap, Socket Head →
5305-01-681-6489 — Screws
Features
Screw,shoulder — FSC 5305
Width Across Flats: 0.156 INCHES NOMINAL IN
Head Height: 0.2188 INCHES NOMINAL IN
Shoulder Diameter: 0.3125 INCHES NOMINAL OVERALL IN
The Screw,shoulder, cataloged under National Stock Number 5305-01-681-6489, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Spectral Labs Incorporated Dba Spectral Labs. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5305-00-000-1397 · Item name not on file
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5305-00-000-3669 · Item name not on file
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5305-00-000-3830 · Item name not on file
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5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-681-6489?
NSN 5305-01-681-6489 is a Screw,shoulder, manufactured by Spectral Labs Incorporated Dba Spectral Labs, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-681-6489?
NSN 5305-01-681-6489 has 2 manufacturer part numbers on file: 90298A578 (Mcmaster-Carr Supply Co), 90298A578 (Spectral Labs Incorporated Dba Spectral Labs).
What are the specifications of 90298A578?
Key specifications for 90298A578: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Height: 0.2188 INCHES NOMINAL IN; Shoulder Diameter: 0.3125 INCHES NOMINAL OVERALL IN; Thread Length: 0.4375 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-681-6489 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.