The Rivet,blind, cataloged under National Stock Number 5320-01-308-8221, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-308-8221 |
| Primary Part Number | HS4464M5-2 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Shank Diameter | 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | CADMIUM AND CHROMATE BODY |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL |
| Head Major Diameter | 0.239 INCHES MINIMUM AND 0.247 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 |
|---|---|
| HS4464M5-2 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| HS4464M5-2 | Howmet Global Fastening Systems Inc (USA) |
| HS4464M5-2 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS4464M5-2 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5320-01-308-8221 is a Rivet,blind, manufactured by The Boeing Company, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-308-8221 has 3 manufacturer part numbers on file: HS4464M5-2 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), HS4464M5-2 (Howmet Global Fastening Systems Inc), HS4464M5-2 (The Boeing Company).
Key specifications for HS4464M5-2: Shank Diameter: 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Surface Treatment Document and Classification: QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE BODY. 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.