The Rivet,blind, cataloged under National Stock Number 5320-00-185-9964, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-185-9964 |
| Primary Part Number | GR500L4-5 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Head Height | 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Fastener Length | 0.448 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE SLEEVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE STEM |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Head Style | UNIVERSAL |
| Specification/standard Data | 80205-NAS1919 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.251 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | ANODIZE OR CHROMATE SLEEVE |
| Surface Treatment | ANODIZE OR CHROMATE STEM |
| Shear Strength | 495 SINGLE POUNDS PER SQUARE INCH |
| Material | ALUMINUM ALLOY 5056 OR ALUMINUM ALLOY 2024 SLEEVE |
| Material | ALUMINUM ALLOY 5056 OR ALUMINUM ALLOY 2024 STEM |
| Head Major Diameter | 0.238 INCHES MINIMUM AND 0.262 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 |
|---|---|
| GR500L4-5 | Northrop Grumman Systems Corporation (USA) |
| MLSP-B04-05 | Huck International, Inc. Div Huck Products Division (USA) |
| 54217-4-05 | Airbus Helicopters (ets De Marignane) (FRA) |
| MLSP-B04-05 | Huck (FRA) |
| 54217-4-05 | Airbus Group SAS (FRA) |
| Reference | Meaning |
|---|---|
| 5320PL1050585 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C861A4-5 | 5/2 Secondary reference U.S. Government activity |
| NAS1919B04-05 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1919B04-05FC | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MLSP-B04-05 | 5/9 Secondary reference Huck International, Inc |
| ASNA0029 | 5/1 Secondary reference Airbus Group SAS |
| MLSP-B04-05 | 5/9 Secondary reference Huck Mfg Co |
NSN 5320-00-185-9964 is a Rivet,blind, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-185-9964 has 5 manufacturer part numbers on file: GR500L4-5 (Northrop Grumman Systems Corporation), MLSP-B04-05 (Huck International, Inc. Div Huck Products Division), 54217-4-05 (Airbus Helicopters (ets De Marignane)), MLSP-B04-05 (Huck), 54217-4-05 (Airbus Group SAS).
Key specifications for GR500L4-5: Shank Diameter: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Head Height: 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Fastener Length: 0.448 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 18 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.