The Rivet,blind, cataloged under National Stock Number 5320-00-451-9166, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Aeronautics Division - Pomigliano D'arco Site. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-451-9166 |
| Primary Part Number | NAS1739E5-4 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site |
| Status | ACTIVE |
| Shank Diameter | 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Fastener Length | 0.437 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES LOCKING RING |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Specification/standard Data | 80205-NAS1739 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | ANODIZE OR OXIDE FILM BODY |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 935 SINGLE POUNDS PER SQUARE INCH |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 LOCKING RING |
| Head Major Diameter | 0.282 INCHES MINIMUM AND 0.290 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 |
|---|---|
| NAS1739E5-4 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| CR3252-5-4 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| 939.31.86.164 | Pilatus Aircraft Ltd (CHE) |
| CR3252-5-4 | Satair A/s (DNK) |
| CR2238-5-4 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| CR3252-5-4 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| NAS1739E5-4 | 3/2 Design control — primary reference U.S. Government activity |
| 5320PL0842087 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5320-00-451-9166 is a Rivet,blind, manufactured by Leonardo Spa Aeronautics Division - Pomigliano D'arco Site, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-451-9166 has 5 manufacturer part numbers on file: NAS1739E5-4 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site), CR3252-5-4 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), 939.31.86.164 (Pilatus Aircraft Ltd), CR3252-5-4 (Satair A/s), CR2238-5-4 (Fairchild Fasteners Europe - Vsd Gmbh).
Key specifications for NAS1739E5-4: Shank Diameter: 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN; Fastener Length: 0.437 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE BODY. 14 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.