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NSN 5310-00-588-4973Government record, cited

Nut, Plain, Hexagon5310-00-588-4973

NSN 5310-00-588-4973 · NIIN 005884973 · Part number 16532N
Harbormaster Marine, Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 42138
Government record, cited
NSN 5310-00-588-4973 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-588-4973. Manufacturer of record part number: 16532N.
Also searched as  5310-00-588-4973 · 5310005884973 · NIIN 005884973 · 00-588-4973 · FSC 5310 Nuts and Washers · CAGE 42138 · 16532N
Nearby stock numbers  ·
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 5.750 INCHES NOMINAL IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 3.750 INCHES IN
  • Nut Height: 2.125 INCHES NOMINAL IN
  • Nut Style: HEXAGON
  • Thread Class: 2B
Identification
  • NSN: 5310-00-588-4973
  • NIIN: 005884973
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 16532N
  • Manufacturer: Harbormaster Marine, Inc
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-588-4973, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Harbormaster Marine, Inc. Government technical data includes 10 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
NSN5310-00-588-4973
Primary Part Number16532N
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerHarbormaster Marine, Inc
StatusACTIVE
Width Across Flats5.750 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Nominal Thread Size3.750 INCHES IN
Nut Height2.125 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread Class2B
Thread Quantity Per Inch4
MaterialCOPPER ALLOY OVERALL
Bearing Surface TypeFLAT
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
16532N PRIMARY Harbormaster Marine, Inc (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 5310-00-588-4973?

NSN 5310-00-588-4973 is a Nut,plain,hexagon, manufactured by Harbormaster Marine, Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-588-4973?

NSN 5310-00-588-4973 has 1 manufacturer part number on file: 16532N (Harbormaster Marine, Inc).

What are the specifications of 16532N?

Key specifications for 16532N: Width Across Flats: 5.750 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 3.750 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-588-4973 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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