The Rivet,tubular, cataloged under National Stock Number 5320-00-004-4057, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-004-4057 |
| Primary Part Number | MS16535-138 |
| Item Name | Rivet,tubular |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Head Height | 0.033 INCHES NOMINAL IN |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Hole Depth | 0.062 INCHES NOMINAL IN |
| Head Style | OVAL/TRUSS |
| Shank Style | TUBULAR |
| Material | COPPER ALLOY OVERALL |
| Head Major Diameter | 0.219 INCHES NOMINAL IN |
| Hole Diameter | 0.084 INCHES MINIMUM AND 0.088 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 |
|---|---|
| MS16535-138 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6230-61021-2 | Airbus Deutschland Gmbh -Werk Bremen- (DEU) |
| Reference | Meaning |
|---|---|
| S6230-61021-2 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 5320-00-004-4057 is a Rivet,tubular, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-004-4057 has 2 manufacturer part numbers on file: MS16535-138 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6230-61021-2 (Airbus Deutschland Gmbh -Werk Bremen-).
1 possible match (shared part number, not a government interchangeability claim): 5320-00-866-0567. Verify interchangeability with system specifications before substitution.
Key specifications for MS16535-138: Shank Diameter: 0.125 INCHES NOMINAL IN; Head Height: 0.033 INCHES NOMINAL IN; Fastener Length: 0.312 INCHES NOMINAL IN; Hole Depth: 0.062 INCHES NOMINAL IN. 9 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.