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NSN 5310-01-550-0886Government record, cited

Nut, Self-Locking, Hexagon5310-01-550-0886

NSN 5310-01-550-0886 · NIIN 015500886 · Part number 306060443
Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 9Z677
Government record, cited
NSN 5310-01-550-0886 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-550-0886. Manufacturer of record part number: 306060443.
Also searched as  5310-01-550-0886 · 5310015500886 · NIIN 015500886 · 01-550-0886 · FSC 5310 Nuts and Washers · CAGE 9Z677 · 306060443
Nearby stock numbers  ·
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
  • 1 manufacturer part number on file
  • Manufacturer of record: Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders
Identification
  • NSN: 5310-01-550-0886
  • NIIN: 015500886
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 306060443
  • Manufacturer: Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-550-0886, 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.

Technical Specifications
ParameterValue
NSN5310-01-550-0886
Primary Part Number306060443
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerCromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
306060443 PRIMARY Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-01-550-0886?

NSN 5310-01-550-0886 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 5310-01-550-0886?

NSN 5310-01-550-0886 has 1 manufacturer part number on file: 306060443 (Cromwell Builders Manufacturing Inc Dba Jc.net/cromwell/builders).

What are the specifications of 306060443?

Key specifications for 306060443: Thread Direction: RIGHT-HAND; Special Features: NUT DIA 0.250 INCH IN; End Item Identification: 4320-01-547-1861, ASSEMBLY,FLAMMABLE LIQUID,BULK T; Thread Quantity Per Inch: 20. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-550-0886 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.
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