The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-140-3049, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-140-3049 |
| Primary Part Number | 2800302-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Head Height | 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN |
| Fastener Length | 0.320 INCHES NOMINAL0.320 INCHES NOMINAL IN |
| Thread Length | 0.165 INCHES NOMINAL0.165 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.155 INCHES NOMINAL0.155 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.086 INCHES0.086 INCHES IN |
| Head Style | FLAT CHAMFERFLAT CHAMFER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Second Diameter From Head | 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN |
| Askewed Head Angle | 90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL |
| Externally Relieved Body Diameter Quantity | 11 |
| Internal Drive Style | SLOTSLOT |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 6464 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNFUNF |
| Head Diameter | 0.360 INCHES NOMINAL0.360 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 2800302-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 2800302-1 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5305-01-140-3049 is a Screw,externally Relieved Body, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-140-3049 has 1 manufacturer part number on file: 2800302-1 (Honeywell Intl Inc Defense Avionics Systems).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-187-1150. Verify interchangeability with system specifications before substitution.
Key specifications for 2800302-1: Head Height: 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN; Fastener Length: 0.320 INCHES NOMINAL0.320 INCHES NOMINAL IN; Thread Length: 0.165 INCHES NOMINAL0.165 INCHES NOMINAL IN; Material Document and Classification: QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 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.