The Rivet,blind, cataloged under National Stock Number 5320-01-484-7553, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-484-7553 |
| Primary Part Number | NAS1720H4L4A |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Head Height | 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Fastener Length | 0.388 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Head Style | UNIVERSAL |
| Grip Length | 0.172 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Material | ALUMINUM ALLOY SLEEVE |
| Head Major Diameter | 0.245 INCHES MINIMUM AND 0.255 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 |
| Part Number | Manufacturer |
|---|---|
| NAS1720H4L4A | Leonardo Spa Helicopters Division - Production Site (ITA) |
| AS64403L411 | Sae International Dba Sae International (USA) |
| NAS1720H4L4A | Anixter Ltd (GBR) |
| Reference | Meaning |
|---|---|
| AS64403L411 | 5/9 Secondary reference Society of British Aerospace Companies Ltd (sbac) |
| NAS1720H4L4A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-484-7553 is a Rivet,blind, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-484-7553 has 3 manufacturer part numbers on file: NAS1720H4L4A (Leonardo Spa Helicopters Division - Production Site), AS64403L411 (Sae International Dba Sae International), NAS1720H4L4A (Anixter Ltd).
Key specifications for NAS1720H4L4A: Shank Diameter: 0.125 INCHES NOMINAL IN; Head Height: 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Fastener Length: 0.388 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 9 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.