The Washer,flat, cataloged under National Stock Number 5310-00-452-2706, 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7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-452-2706
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
1.219 INCHES NOMINAL IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
ALUMINUM OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.719 INCHES NOMINAL IN
Thickness
0.094 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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-452-7894POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)
5310-00-468-8487POSSIBLE MATCH
NUT,PLAIN,BARREL
Possible match (shared part number)
5310-00-469-0013POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)
5310-00-469-0218POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-00-471-2938POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)
5310-00-471-7525POSSIBLE MATCH
WASHER,SHOULDERED AND RECESSED
Possible match (shared part number)
5310-00-471-8006POSSIBLE MATCH
NUT,PLAIN,CASTELLATED,HEXAGON
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
F264003
3/9Design control — primary reference
British Aerospace (military Aircraft & Aerostructures)
F264003
C/1Advisory reference — outside the item-of-supply concept
Bae Systems (operations) Limited
5310-99-603
6/9Informative reference only
U.S. Government activity
Related Parts
5310-00-452-7894POSSIBLE MATCH
WASHER,KEY
5310-00-468-8487POSSIBLE MATCH
NUT,PLAIN,BARREL
5310-00-469-0013POSSIBLE MATCH
WASHER,KEY
5310-00-469-0218POSSIBLE MATCH
WASHER,SPRING TENSION
5310-00-471-2938POSSIBLE MATCH
WASHER,FLAT
5310-00-471-7525POSSIBLE MATCH
WASHER,SHOULDERED AND RECESSED
5310-00-471-8006POSSIBLE MATCH
NUT,PLAIN,CASTELLATED,HEXAGON
Frequently Asked Questions
What is NSN 5310-00-452-2706?
NSN 5310-00-452-2706 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-452-2706?
7 possible matches (shared part number, not a government interchangeability claim): 5310-00-452-7894, 5310-00-468-8487, 5310-00-469-0013. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-452-2706?
Key specifications for 5310-00-452-2706: Overall Diameter: 1.219 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: ALUMINUM OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-452-2706 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.