The Washer,flat, cataloged under National Stock Number 5310-00-003-2823, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-003-2823
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
0.310 INCHES NOMINAL IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.156 INCHES NOMINAL IN
Thickness
0.025 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.
4730-00-722-3577W1126POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Mueller Brass Co.
5305-01-039-22085001-4-8POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)L3harris Technologies, Inc. Div Space and Airborne Systems
1560-01-039-578710-60031-48POSSIBLE MATCH
DOOR,ACCESS,AIRCRAFT
Possible match (shared part number)The Boeing Company Div Defense
4140-01-486-4720500-222POSSIBLE MATCH
FAN,CIRCULATING
Possible match (shared part number)Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc
3460-01-602-2960462510-07POSSIBLE MATCH
HOLDER,CUTTING TOOL
Possible match (shared part number)Tube Form Solutions, Llc Dba Eaton Leonard Tooling
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
5001-4-8
C/1Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
1006
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-00-722-3577POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
W1126
5305-01-039-2208POSSIBLE MATCH
SCREW,MACHINE
5001-4-8
1560-01-039-5787POSSIBLE MATCH
DOOR,ACCESS,AIRCRAFT
10-60031-48
4140-01-486-4720POSSIBLE MATCH
FAN,CIRCULATING
500-222
3460-01-602-2960POSSIBLE MATCH
HOLDER,CUTTING TOOL
462510-07
Frequently Asked Questions
What is NSN 5310-00-003-2823?
NSN 5310-00-003-2823 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-003-2823?
5 possible matches (shared part number, not a government interchangeability claim): 4730-00-722-3577, 5305-01-039-2208, 1560-01-039-5787. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-003-2823?
Key specifications for 5310-00-003-2823: Overall Diameter: 0.310 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-003-2823 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.