The Washer,flat, cataloged under National Stock Number 5310-00-724-2452, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-724-2452 |
| Primary Part Number | 511915 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Overall Diameter | 1.165 INCHES MINIMUM AND 1.175 INCHES MAXIMUM IN |
| Heat Treatment | HALF HARD |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | DEE |
| Width | 1.032 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Thickness | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-724-2452 is a Washer,flat, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-724-2452 has 2 manufacturer part numbers on file: 511915 (Honeywell International Inc. Div Aerospace - Torrance), 511915 (Honeywell International, Inc Div Aerospace-Tucson).
2 possible matches (shared part number, not a government interchangeability claim): 4130-01-032-0823, 5930-01-078-3530. Verify interchangeability with system specifications before substitution.
Key specifications for 511915: Overall Diameter: 1.165 INCHES MINIMUM AND 1.175 INCHES MAXIMUM IN; Heat Treatment: HALF HARD; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.