PartsTable TECHNICAL DATA SHEET
NSN 5310-01-468-5817Government record, cited

Washer, Flat5310-01-468-5817

NSN 5310-01-468-5817 · NIIN 014685817 · Part number 528-7378786 PC80
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-468-5817 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-468-5817. Manufacturer of record part number: 528-7378786 PC80.
Also searched as  5310-01-468-5817 · 5310014685817 · NIIN 014685817 · 01-468-5817 · FSC 5310 Nuts and Washers · CAGE 53711 · 528-7378786 PC80 · B18.22.1 · 7378786
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.531 INCHES NOMINAL IN
  • Thickness: 0.056 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
Identification
  • NSN: 5310-01-468-5817
  • NIIN: 014685817
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 528-7378786 PC80
  • Manufacturer: Naval Sea Systems Command
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-468-5817, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-468-5817
Primary Part Number528-7378786 PC80
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerNaval Sea Systems Command
StatusACTIVE
Overall Diameter1.000 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.531 INCHES NOMINAL IN
Thickness0.056 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-468-5824528-7378786 PC88 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-6174528-7378786 PC94 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-6183528-7378786 PC96 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-6645PN-11 POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-6661PN-10 POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-7152PW-10 POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-7188PW-11 POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-75957378786 PC93 POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-7600528-7378786 PC95 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-8355528-7378786 PC102 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
528-7378786 PC80 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
B18.22.1 5/1 Secondary reference
U.S. Government activity
7378786 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
5310-01-468-5824POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC88
5310-01-468-6174POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC94
5310-01-468-6183POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC96
5310-01-468-6645POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
PN-11
5310-01-468-6661POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
PN-10
5310-01-468-7152POSSIBLE MATCH
WASHER,KEY
PW-10
5310-01-468-7188POSSIBLE MATCH
WASHER,KEY
PW-11
5310-01-468-7595POSSIBLE MATCH
NUT,PLAIN,HEXAGON
7378786 PC93
5310-01-468-7600POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC95
5310-01-468-8355POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC102

Frequently Asked Questions

What is NSN 5310-01-468-5817?

NSN 5310-01-468-5817 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 5310-01-468-5817?

NSN 5310-01-468-5817 has 1 manufacturer part number on file: 528-7378786 PC80 (Naval Sea Systems Command).

What NSN replaces 5310-01-468-5817?

10 possible matches (shared part number, not a government interchangeability claim): 5310-01-468-5824, 5310-01-468-6174, 5310-01-468-6183. Verify interchangeability with system specifications before substitution.

What are the specifications of 528-7378786 PC80?

Key specifications for 528-7378786 PC80: Overall Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: MONRAIL SWIT:WSD;TARAWA CLASS LHA. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-468-5817 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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