The Rivet,blind, cataloged under National Stock Number 5320-00-978-8075, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Allfast Fastening Systems, Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-978-8075 |
| Primary Part Number | 5091S3-1 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Allfast Fastening Systems, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Fastener Length | 0.140 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.040 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Shank Style | PULL THROUGH HOLLOW SHANK |
| Countersink Angle | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| Shear Strength | 70 SINGLE POUNDS PER SQUARE INCH |
| Material | NICKEL ALLOY 400 OVERALL |
| Head Major Diameter | 0.179 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 |
| Part Number | Manufacturer |
|---|---|
| 5091S3-1 PRIMARY | Allfast Fastening Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| RV591-3-1 | 5/9 Secondary reference U.S. Government activity |
| MS20605M3W1 | 5/9 Secondary reference U.S. Government activity |
| NASM20605 | 3/2 Design control — primary reference U.S. Government activity |
| RV591-3-1 | 5/9 Secondary reference Allfast Fastening Systems, Llc |
NSN 5320-00-978-8075 is a Rivet,blind, manufactured by Allfast Fastening Systems, Llc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-978-8075 has 1 manufacturer part number on file: 5091S3-1 (Allfast Fastening Systems, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5320-01-355-0233, 5320-01-733-3935. Verify interchangeability with system specifications before substitution.
Key specifications for 5091S3-1: Shank Diameter: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Fastener Length: 0.140 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.