The Screw,close Tolerance, cataloged under National Stock Number 5305-00-083-3365, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-083-3365 |
| Primary Part Number | HT8138-3-3 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Thread Length | 0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Fastener Length | 0.511 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Internal Drive Style | HIGH-TORQUE |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Grip Length | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT COUNTERSUNK |
| Head Diameter | 0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GB510AE3-3 | Northrop Grumman Systems Corporation (USA) |
| BM19051-3-3 | Huck Intl Inc (USA) |
| HT8138-3-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT8138-3-3 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| A146-3-3 | Huck International, Inc (USA) |
| BM19051-3-3 | Huck International, Inc (USA) |
| A146-3-3 | Huck Intl Inc (USA) |
| 106712-3-3 PRIMARY | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
NSN 5305-00-083-3365 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-083-3365 has 8 cross-referenced part numbers: GB510AE3-3 (Northrop Grumman Systems Corporation), BM19051-3-3 (Huck Intl Inc), HT8138-3-3 (Howmet Global Fastening Systems Inc), HT8138-3-3 (Howmet Global Fastening Systems Inc Div Torrance Operations), A146-3-3 (Huck International, Inc) and 3 more.
There is 1 known substitute for 5305-00-083-3365: 5140-00-316-7349. Verify interchangeability with system specifications before substitution.
Key specifications for HT8138-3-3: Thread Length: 0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Fastener Length: 0.511 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN; Thread Class: 3A A. 19 total characteristics are documented in the Federal Logistics Information System.