The Retaining Set, cataloged under National Stock Number 5320-00-231-4540, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Retaining Set |
| FSC / FSG | 5320 — Rivets (FSG 53) |
| Manufacturers | Monadnock Company, the Dba Lisi Aerospace (CAGE 60119) |
| Parameter | Value |
|---|---|
| NSN | 5320-00-231-4540 |
| Primary Part Number | 3W5-340-10 |
| Item Name | Retaining Set |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3W5-340-10 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
NSN 5320-00-231-4540 is a Retaining Set, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-231-4540 has 1 manufacturer part number on file: 3W5-340-10 (Monadnock Company, the Dba Lisi Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5325-00-783-4777. 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.