The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-142-6481, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Circor Aerospace, Inc. Div Circor. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-142-6481 |
| Primary Part Number | 5035L028-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Circor Aerospace, Inc. Div Circor |
| Status | ACTIVE |
| Head Height | 0.088 INCHES NOMINAL0.088 INCHES NOMINAL IN |
| Fastener Length | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Thread Length | 0.213 INCHES NOMINAL0.213 INCHES NOMINAL IN |
| Hole Configuration Style | ROUNDROUND |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.230 INCHES NOMINAL0.230 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES0.138 INCHES IN |
| Head Style | FILLISTERFILLISTER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Second Diameter From Head | 0.104 INCHES NOMINAL0.104 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.035 INCHES MINIMUM AND 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM0.040 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 22 |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOTSLOT |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL COMP 4140 OVERALL |
| Hole Quantity | 11 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLEDDRILLED |
| Hole Diameter | 0.031 INCHES MINIMUM AND 0.031 INCHES MINIMUM AND 0.034 INCHES MAXIMUM0.034 INCHES MAXIMUM IN |
| Head Diameter | 0.312 INCHES NOMINAL0.312 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 |
|---|---|
| 5035L028-1 PRIMARY | Circor Aerospace, Inc. Div Circor (USA) |
NSN 5305-01-142-6481 is a Screw,externally Relieved Body, manufactured by Circor Aerospace, Inc. Div Circor, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-142-6481 has 1 manufacturer part number on file: 5035L028-1 (Circor Aerospace, Inc. Div Circor).
Key specifications for 5035L028-1: Head Height: 0.088 INCHES NOMINAL0.088 INCHES NOMINAL IN; Fastener Length: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN; Thread Length: 0.213 INCHES NOMINAL0.213 INCHES NOMINAL IN; Hole Configuration Style: ROUNDROUND. 23 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.