The Rivet,blind, cataloged under National Stock Number 5320-01-170-8552, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-170-8552 |
| Primary Part Number | RV1241-8-5 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Allfast Fastening Systems, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Fastener Length | 0.510 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Specification/standard Data | 80205-NAS1399 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.251 INCHES MINIMUM AND 0.312 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 OVERALL |
| Head Major Diameter | 0.500 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 |
|---|---|
| RV1241-8-5 | Allfast Fastening Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| NAS1399C8A5 | 3/2 Design control — primary reference U.S. Government activity |
| RV1241-8-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-170-8552 is a Rivet,blind, manufactured by Allfast Fastening Systems, Llc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-170-8552 has 1 manufacturer part number on file: RV1241-8-5 (Allfast Fastening Systems, Llc).
Key specifications for RV1241-8-5: Shank Diameter: 0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; Fastener Length: 0.510 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STEM. 12 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.