The Washer,flat, cataloged under National Stock Number 5310-01-697-2623, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Moog Inc. Dba Ampac-Isp Corp (CAGE 07270) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-697-2623 |
| Primary Part Number | CC70698-001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| 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 |
|---|---|
| CC70698-001 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| Reference | Meaning |
|---|---|
| CC70679 | D/9 Drawing number reference only Moog Inc. Dba Ampac-Isp Corp |
| CC70679-ITEM NO-51 | C/1 Advisory reference — outside the item-of-supply concept Moog Inc. Dba Ampac-Isp Corp |
NSN 5310-01-697-2623 is a Washer,flat, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-697-2623 has 1 manufacturer part number on file: CC70698-001 (Moog Inc. Dba Ampac-Isp Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-697-2640, 4310-01-697-2671. Verify interchangeability with system specifications before substitution.
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.