The Rivet,solid, cataloged under National Stock Number 5320-01-187-1832, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-187-1832 |
| Primary Part Number | CSR903B-4E-3 |
| Item Name | Rivet,solid |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| Status | ACTIVE |
| Shank Diameter | 0.1240 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN |
| Head Height | 0.0540 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| Fastener Length | 0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | ANNEALED OVERALL |
| Material Document and Classification | AMS 4982 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | UNIVERSAL |
| Shank Style | STRAIGHT W/RADIUS CHAMFERED TIP |
| Surface Treatment | ALUMINUM OVERALL |
| Material | TITANIUM ALLOY UNS R58450 OVERALL |
| Head Major Diameter | 0.2380 INCHES MINIMUM AND 0.2620 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 |
|---|---|
| CSR903B-4E-3 PRIMARY | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| Reference | Meaning |
|---|---|
| HS4862-4E3 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| HS4862-4E3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5320-01-187-1832 is a Rivet,solid, manufactured by Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-187-1832 has 1 manufacturer part number on file: CSR903B-4E-3 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace).
Key specifications for CSR903B-4E-3: Shank Diameter: 0.1240 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN; Head Height: 0.0540 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN; Fastener Length: 0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 11 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.