The Screw,close Tolerance, cataloged under National Stock Number 5305-00-032-3956, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-032-3956 |
| Primary Part Number | HT239PB6-10 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Head Diameter | 0.555 INCHES MINIMUM AND 0.560 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 |
|---|---|
| HT239PB6-10 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT239PB6-10 PRIMARY | Hi-Shear Corporation (USA) |
| GB510L6-10 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| GB510L6-10 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 106750-6-10 | 3/2 Design control — primary reference U.S. Government activity |
| GB510L6-10 | 5/2 Secondary reference U.S. Government activity |
| HT8043-6-10 | 5/9 Secondary reference U.S. Government activity |
| HT8043-6-10 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5305-00-032-3956 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-032-3956 has 3 manufacturer part numbers on file: HT239PB6-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT239PB6-10 (Hi-Shear Corporation), GB510L6-10 (Huck International, Inc).
Key specifications for HT239PB6-10: Fastener Length: 1.000 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN; Head Style: FLAT COUNTERSUNK; Grip Diameter: 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 4 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.