The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-509-2963, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-509-2963 |
| Primary Part Number | LE111-0038-2303 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Supplementary Features | LUBRICATION: DRY FILM LUBRICANT PER MIL-L-8937 WHEN SPECIFIED |
| Material Document and Classification | A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Grip Length | 0.526 INCHES NOMINAL IN |
| Width Between Flats | 2966.0 INCHES MINIMUM AND 3016.0 INCHES MAXIMUM IN |
| Grip Diameter | 0.187 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 2000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| LE111-0038-2303 | Howmet Global Fastening Systems Inc (USA) |
| LE111-0038-2303 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LE111-0038-2303 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LE111-0038-2303 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| LE111-0038-2303 | 5/2 Secondary reference U.S. Government activity |
| LE111-0038 THRU LE111-0040 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| AIC4040E3-03R | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 5306-01-509-2963 is a Bolt,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-509-2963 has 4 manufacturer part numbers on file: LE111-0038-2303 (Howmet Global Fastening Systems Inc), LE111-0038-2303 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LE111-0038-2303 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), LE111-0038-2303 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-696-8724. Verify interchangeability with system specifications before substitution.
Key specifications for LE111-0038-2303: Head Height: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Supplementary Features: LUBRICATION: DRY FILM LUBRICANT PER MIL-L-8937 WHEN SPECIFIED; Material Document and Classification: A286 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.