NSN 5310-01-550-0890 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-550-0890. Manufacturer of record part number: 320200115.
Also searched as5310-01-550-0890 ·
5310015500890 ·
NIIN 015500890 ·
01-550-0890 ·
FSC 5310 Nuts and Washers · CAGE 9Z677 · 320200115
The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-550-0890, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders. Government technical data includes 2 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-550-0890?
NSN 5310-01-550-0890 is a Nut,self-Locking,hexagon, manufactured by Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-550-0890?
NSN 5310-01-550-0890 has 1 manufacturer part number on file: 320200115 (Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders).
What are the specifications of 320200115?
Key specifications for 320200115: Thread Direction: RIGHT-HAND; Special Features: NUT DIA 0.312 INCH IN; Thread Quantity Per Inch: 18. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-550-0890 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.