The Screw,close Tolerance, cataloged under National Stock Number 5305-01-064-4061, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-064-4061 |
| Primary Part Number | NAS1151-16 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Fastener Length | 1.261 INCHES MINIMUM AND 1.291 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Grip Diameter | 0.1365 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.221 INCHES MINIMUM AND 0.279 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 |
|---|---|
| NAS1151-16 PRIMARY | Huck International, Inc (USA) |
| NAS1151-16 | King Bag & Manufacturing Co (USA) |
| NAS1151-16 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1151-16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1151-16 | Apcom Inc (USA) |
| NAS1151-16 | Hi-Shear Corporation (USA) |
| NAS1151-16 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1151-16 | 5/9 Secondary reference F and C Sales Inc |
| NAS1151-16 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1151-16 | 5/2 Secondary reference U.S. Government activity |
| NAS1151-16 | 5/2 Secondary reference U.S. Government activity |
| NAS1151-16 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1151-16 | 5/9 Secondary reference U.S. Government activity |
| NAS1151-16 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1151-16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-064-4061 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-064-4061 has 7 manufacturer part numbers on file: NAS1151-16 (Huck International, Inc), NAS1151-16 (King Bag & Manufacturing Co), NAS1151-16 (Fastener Innovation Technology, Inc. Dba F I T), NAS1151-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1151-16 (Apcom Inc) and 2 more.
Key specifications for NAS1151-16: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Fastener Length: 1.261 INCHES MINIMUM AND 1.291 INCHES MAXIMUM IN. 21 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.