The Screw,close Tolerance, cataloged under National Stock Number 5305-01-272-8776, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 18 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 | 5305-01-272-8776 |
| Primary Part Number | 68B410073-2003 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.261 INCHES NOMINAL IN |
| Thread Length | 0.323 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| Grip Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 0.612 INCHES MINIMUM AND 0.672 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 |
|---|---|
| 68B410073-2003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5305-01-272-8776 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-272-8776 has 1 manufacturer part number on file: 68B410073-2003 (The Boeing Company Div Defense).
Key specifications for 68B410073-2003: Fastener Length: 1.261 INCHES NOMINAL IN; Thread Length: 0.323 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM FIRST HOLE IN; Material Document and Classification: 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 18 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.