The Rivet,blind, cataloged under National Stock Number 5320-01-121-8552, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-121-8552 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Status | ACTIVE |
| Shank Diameter | 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Lubrication | DRY FILM |
| Fastener Length | 1.048 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | ANNEALED OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.719 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Material | IRON ALLOY 660 OVERALL |
| Head Major Diameter | 0.763 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B100-EU12-12 | 5/9 Secondary reference Huck Mfg Co |
| MS21140-1212 | 5/9 Secondary reference U.S. Government activity |
| B100-EU12-12 | 5/9 Secondary reference Huck International, Inc |
| MS21140-1212 | 3/2 Design control — primary reference U.S. Government activity |
| B100-EU12-12 | 5/1 Secondary reference Huck International, Inc. Div Huck Products Division |
| 5320PL0748905 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5320-01-121-8552 is a Rivet,blind, classified under FSC 5320, Rivets. Status: active.
Key specifications for 5320-01-121-8552: Shank Diameter: 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Lubrication: DRY FILM; Fastener Length: 1.048 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 15 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.