The Rivet,blind, cataloged under National Stock Number 5320-01-372-0931, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-372-0931 |
| Primary Part Number | ST3M772-6-9 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2120 INCHES MINIMUM AND 0.2209 INCHES MAXIMUM IN |
| Expansion Device | THREADED STEM |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BOLT |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE BOLT |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1380 INCHES IN |
| Grip Length | 0.5010 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN |
| Shank Style | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| Surface Treatment | PASSIVATE BOLT |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | PASSIVATE SLEEVE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 BOLT |
| Material | IRON ALLOY 660 SLEEVE |
| Thread Series Designator | UNS |
| Head Major Diameter | 0.3320 INCHES MINIMUM AND 0.3370 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 |
|---|---|
| VA214SA-6-9 | Howmet Global Fastening Systems Inc (USA) |
| VA214-6-9 | Howmet Global Fastening Systems Inc (USA) |
| ST3M772-6-9 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| VA214SA-6-9 | 5/9 Secondary reference U.S. Government activity |
| VA214-6-9 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-372-0931 is a Rivet,blind, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-372-0931 has 3 manufacturer part numbers on file: VA214SA-6-9 (Howmet Global Fastening Systems Inc), VA214-6-9 (Howmet Global Fastening Systems Inc), ST3M772-6-9 (The Boeing Company Div Defense).
Key specifications for ST3M772-6-9: Shank Diameter: 0.2120 INCHES MINIMUM AND 0.2209 INCHES MAXIMUM IN; Expansion Device: THREADED STEM; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BOLT; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE NUT. 24 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.