PartsTable TECHNICAL DATA SHEET
NSN 5310-01-356-1585Government record, cited

Washer, Flat5310-01-356-1585

NSN 5310-01-356-1585 · NIIN 013561585 · Part number 5623133
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-356-1585 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-356-1585. Manufacturer of record part number: 5623133.
Also searched as  5310-01-356-1585 · 5310013561585 · NIIN 013561585 · 01-356-1585 · FSC 5310 Nuts and Washers · CAGE 53711 · 5623133
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Material Document and Classification: MIL-T-81556 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: TITANIUM ALLOY UNS R56400 OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.515 INCHES NOMINAL IN
Identification
  • NSN: 5310-01-356-1585
  • NIIN: 013561585
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 5623133
  • Manufacturer: Naval Sea Systems Command
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-356-1585, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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
NSN5310-01-356-1585
Primary Part Number5623133
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerNaval Sea Systems Command
StatusACTIVE
Overall Diameter1.250 INCHES NOMINAL IN
Material Document and ClassificationMIL-T-81556 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialTITANIUM ALLOY UNS R56400 OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.515 INCHES NOMINAL IN
Thickness0.125 INCHES NOMINAL IN
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
5623133 PRIMARY Naval Sea Systems Command (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 5310-01-356-1585?

NSN 5310-01-356-1585 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-356-1585?

NSN 5310-01-356-1585 has 1 manufacturer part number on file: 5623133 (Naval Sea Systems Command).

What are the specifications of 5623133?

Key specifications for 5623133: Overall Diameter: 1.250 INCHES NOMINAL IN; Material Document and Classification: MIL-T-81556 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-356-1585 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.
PartsTable Design LLC · partstable.com