The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-421-2048, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lenox Instrument Co., Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-421-2048 |
| Primary Part Number | 3353AS319-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lenox Instrument Co., Inc. |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.125 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.0585 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 48 |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 3353AS319-1 PRIMARY | Lenox Instrument Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3353AS319-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5306-01-421-2048 is a Bolt,internally Relieved Body, manufactured by Lenox Instrument Co., Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-421-2048 has 1 manufacturer part number on file: 3353AS319-1 (Lenox Instrument Co., Inc.).
Key specifications for 3353AS319-1: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN; Style Designator: CONCENTRIC HOLE UNTHREADED. 13 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.