The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-618-2008, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-618-2008 |
| Primary Part Number | 118B937H01 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Head Height | 0.256 INCHES NOMINAL IN |
| Fastener Length | 0.744 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 133C133,FSCM 97942 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.380 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.500 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.364 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.156 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.184 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.750 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 | X |
| Part Number | Manufacturer |
|---|---|
| 118B937H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 118B937H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-618-2008 is a Screw,externally Relieved Body, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-618-2008 has 1 manufacturer part number on file: 118B937H01 (Northrop Grumman Support Services Corp).
Key specifications for 118B937H01: Head Height: 0.256 INCHES NOMINAL IN; Fastener Length: 0.744 INCHES NOMINAL IN; Surface Treatment Document and Classification: 133C133,FSCM 97942 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.380 INCHES NOMINAL IN. 20 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.