The Rivet,blind, cataloged under National Stock Number 5320-01-438-8303, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Safran Helicopter Engines. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-438-8303 |
| Primary Part Number | 9560111840 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Safran Helicopter Engines |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Fastener Length | 0.323 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Countersink Angle | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| Material | IRON ALLOY 660 SLEEVE |
| Material | NICKEL ALLOY 400 STEM |
| Material | STEEL COMP 316 OR NICKEL ALLOY 400 OR IRON ALLOY 660 LOCKING RING |
| Head Major Diameter | 0.221 INCHES MINIMUM AND 0.229 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 |
|---|---|
| 9560111840 | Safran Helicopter Engines (FRA) |
| MLS100M04-03 | Huck (FRA) |
| MLS100-M04-03 | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| MLS100M4-3 | 5/9 Secondary reference Saint Chamond Granat Sa |
| 5320PL1055698 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1921M04-03 | 3/2 Design control — primary reference U.S. Government activity |
| MLS100M4-3 | 5/9 Secondary reference Blanc Aero Industries - Groupe Lisi Aerospace |
NSN 5320-01-438-8303 is a Rivet,blind, manufactured by Safran Helicopter Engines, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-438-8303 has 3 manufacturer part numbers on file: 9560111840 (Safran Helicopter Engines), MLS100M04-03 (Huck), MLS100-M04-03 (Huck International, Inc. Div Huck Products Division).
Key specifications for 9560111840: Shank Diameter: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Fastener Length: 0.323 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Head Style: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER). 11 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.