The Rivet,blind, cataloged under National Stock Number 5320-01-733-8657, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-733-8657 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Status | ACTIVE |
| Shank Diameter | 0.1860 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM IN |
| Fastener Length | 0.510 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 FOR CRES ONLY NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE PALM LINING |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE STEM |
| Surface Treatment Document and Classification | NAS4006 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS5737 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE OR AMS5690 AEROSPACE MATERIAL SPEC STD 3RD MATERIAL RESPONSE LOCKING RING |
| Material Document and Classification | AMS5737 OR AMS5690 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE STEM |
| Features Provided | WASHER |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Specification/standard Data | 80205-NAS1921 NATIONAL STD/SPEC |
| Grip Length | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | PASSIVATE STEM |
| Surface Treatment | ALUMINUM SLEEVE |
| Surface Treatment | PASSIVATE LOCKING RING |
| Countersink Angle | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| Material | NICKEL ALLOY 400 SLEEVE |
| Material | IRON ALLOY 660 OR NICKEL ALLOY 400 OR STEEL COMP 316 LOCKING RING |
| Material | IRON ALLOY 660 OR STEEL COMP 316 STEM |
| Head Major Diameter | 0.349 INCHES MINIMUM AND 0.357 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 |
| Reference | Meaning |
|---|---|
| NAS1921 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1921M06S04AU | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-733-8657 is a Rivet,blind, classified under FSC 5320, Rivets. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-733-8669. Verify interchangeability with system specifications before substitution.
Key specifications for 5320-01-733-8657: Shank Diameter: 0.1860 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM IN; Fastener Length: 0.510 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 FOR CRES ONLY NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE PALM LINING; Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE STEM. 21 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.