The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-271-3245, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Abb Installation Products Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-271-3245 |
| Primary Part Number | 622-327M2 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 1.415 INCHES MINIMUM AND 1.435 INCHES MAXIMUM IN |
| Thread Length | 0.125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | KNURLED NO. 6 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.325 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | NICKEL AND CHROMATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.195 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 |
|---|---|
| 622-327M2 PRIMARY | Abb Installation Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 641387-1 | 7/2 Vendor item drawing reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5305-01-271-3245 is a Screw,externally Relieved Body, manufactured by Abb Installation Products Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-271-3245 has 1 manufacturer part number on file: 622-327M2 (Abb Installation Products Inc).
Key specifications for 622-327M2: Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 1.415 INCHES MINIMUM AND 1.435 INCHES MAXIMUM IN; Thread Length: 0.125 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN. 15 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.