The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-337-3263, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-337-3263 |
| Primary Part Number | AIC596-9-53 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 3.891 INCHES MINIMUM AND 3.921 INCHES MAXIMUM IN |
| Thread Length | 0.594 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6487 (H11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.5630 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.302 INCHES MINIMUM AND 3.322 INCHES MAXIMUM IN |
| Head Minor Diameter | 1.049 INCHES NOMINAL IN |
| Grip Diameter | 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| AIC596-9-53 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| H411-9-53 PRIMARY | Huck International, Inc (USA) |
| VCG0030-9-53 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF7521-9-53 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 5306-002-9-53 | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
| H411-9-53 | 5/9 Secondary reference U.S. Government activity |
| VS3133-9-53 | 3/2 Design control — primary reference U.S. Government activity |
| 120978-9-53 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-337-3263 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-337-3263 has 4 manufacturer part numbers on file: AIC596-9-53 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), H411-9-53 (Huck International, Inc), VCG0030-9-53 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF7521-9-53 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for AIC596-9-53: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 3.891 INCHES MINIMUM AND 3.921 INCHES MAXIMUM IN; Thread Length: 0.594 INCHES NOMINAL IN; Material Document and Classification: AMS 6487 (H11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.