The Rivet,blind, cataloged under National Stock Number 5320-01-210-3945, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-210-3945 |
| Primary Part Number | RV1241-4-9 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Allfast Fastening Systems, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 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 | 0.501 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | IRON ALLOY 660 STEM |
| Material | IRON ALLOY 660 SLEEVE |
| Head Major Diameter | 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 |
|---|---|
| RV1241-4-9 PRIMARY | Allfast Fastening Systems, Llc (USA) |
| ST3M678M4-9 | The Boeing Company Div Defense (USA) |
| AF1341-4-9 | Allfast Fastening Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| RV1241-4-9 | 5/9 Secondary reference U.S. Government activity |
| RV1341C4-9 | C/1 Advisory reference — outside the item-of-supply concept Allfast Fastening Systems, Llc |
| NAS1399C4A9 | 3/2 Design control — primary reference U.S. Government activity |
| RV1241-4-9 | 5/2 Secondary reference U.S. Government activity |
| ST3M678-4-9 | 5/9 Secondary reference The Boeing Company Div Defense |
| CR2672-4-9 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
NSN 5320-01-210-3945 is a Rivet,blind, manufactured by Allfast Fastening Systems, Llc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-210-3945 has 3 manufacturer part numbers on file: RV1241-4-9 (Allfast Fastening Systems, Llc), ST3M678M4-9 (The Boeing Company Div Defense), AF1341-4-9 (Allfast Fastening Systems, Llc).
Key specifications for RV1241-4-9: Shank Diameter: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE. 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.