The Washer,flat, cataloged under National Stock Number 5310-01-470-7401, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pdi Ground Support Systems, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-470-7401 |
| Primary Part Number | 4716-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40165-WASHER | Tld Wollard Llc (USA) |
| 4716-1 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 40165 | 5/9 Secondary reference Pdi Ground Support Systems, Inc. |
| 40165 | 7/2 Vendor item drawing reference Tld Wollard Llc |
NSN 5310-01-470-7401 is a Washer,flat, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-470-7401 has 2 manufacturer part numbers on file: 40165-WASHER (Tld Wollard Llc), 4716-1 (Pdi Ground Support Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 2590-01-550-2593, 8465-01-565-4000, 2540-01-565-6869. Verify interchangeability with system specifications before substitution.
Key specifications for 4716-1: Part Name Assigned by Controlling Agency: WASHER, STAR. 0 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.