The Clevis and U-Bolt, cataloged under National Stock Number 5340-01-514-8520, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-514-8520 |
| Primary Part Number | 596-7409221-A4 |
| Item Name | Clevis and U-Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Accessory Components and Quantity | UNIVERSAL HUB SPECIAL 1, JOINT HUB 1, LOWER SHAFT 1, SCREW CAP (.75-10UNC-3AX5.0) 1, SCREW SHOULDER (.75X4.0L) 1, NUT SELF-LOCKING HEX (.625-11UNC-3B) 1, NUT SELF-LOCKING HEX (.75-10UNC-3B) 1 |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 596-7409220-18 | Naval Sea Systems Command (USA) |
| 596-7409221-A4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B434-2310-A4 | 5/2 Secondary reference U.S. Government activity |
| B434-2300-18 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-514-8520 is a Clevis and U-Bolt, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-514-8520 has 2 manufacturer part numbers on file: 596-7409220-18 (Naval Sea Systems Command), 596-7409221-A4 (Naval Sea Systems Command).
Key specifications for 596-7409221-A4: Accessory Components and Quantity: UNIVERSAL HUB SPECIAL 1, JOINT HUB 1, LOWER SHAFT 1, SCREW CAP (.75-10UNC-3AX5.0) 1, SCREW SHOULDER (.75X4.0L) 1, NUT SELF-LOCKING HEX (.625-11UNC-3B) 1, NUT SELF-LOCKING HEX (.75-10UNC-3B) 1; Special Features: CLEVIS HUB U-JOINT ASSEMBLY; LOWER SHAFT MATERIAL IS NL0018, DIMENTIONS (15.16LX2.5W), ONE THREADED END 1.125-7UNC-3A A; End Item Identification: LATCH MECHANISM; W/S: SEAWOLF CLASS SSN; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.