The Washer,flat, cataloged under National Stock Number 5310-00-526-8086, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-526-8086
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
0.500 INCHES NOMINAL IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
PLASTIC OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.144 INCHES NOMINAL IN
Thickness
0.03125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1660-00-633-263114865POSSIBLE MATCH
SPACER,DIAPHRAGM
Possible match (shared part number)Mission Systems Orchard Park Inc
5320-00-835-7419NAS1486-05POSSIBLE MATCH
PIN-RIVET
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-884-582414865POSSIBLE MATCH
NUT,SPECIAL
Possible match (shared part number)Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4920-00-997-6502POSSIBLE MATCH
HOUSING ASSY,GEAR
Possible match (shared part number)
6130-01-204-497014865POSSIBLE MATCH
PWR SUPL INPUT MOD
Possible match (shared part number)Versitron Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
14865
3/2Design control — primary reference
U.S. Government activity
Related Parts
1660-00-633-2631POSSIBLE MATCH
SPACER,DIAPHRAGM
14865
5320-00-835-7419POSSIBLE MATCH
PIN-RIVET
NAS1486-05
5310-00-884-5824POSSIBLE MATCH
NUT,SPECIAL
14865
4920-00-997-6502POSSIBLE MATCH
HOUSING ASSY,GEAR
6130-01-204-4970POSSIBLE MATCH
PWR SUPL INPUT MOD
14865
Frequently Asked Questions
What is NSN 5310-00-526-8086?
NSN 5310-00-526-8086 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-526-8086?
5 possible matches (shared part number, not a government interchangeability claim): 1660-00-633-2631, 5320-00-835-7419, 5310-00-884-5824. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-526-8086?
Key specifications for 5310-00-526-8086: Overall Diameter: 0.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: PLASTIC OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-526-8086 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.