The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-477-5582, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-477-5582 |
| Primary Part Number | SLB254-5H14 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.358 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.467 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Hole Configuration Style | ROUND |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN |
| Grip Diameter | 0.484 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.065 INCHES MINIMUM AND 0.075 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 | Y |
| Part Number | Manufacturer |
|---|---|
| SLB254-5H14 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| AIC688-5H14 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 122896-5H14 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| A1C688-5H14 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB155-5H14 PRIMARY | Hi-Shear Corporation (USA) |
| HP7747-5H14 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| VCG0002-5H14 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M747-5H14 | Houston Precision Fasteners I Lp (USA) |
| PBF1266-5H14 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GS1031-5H14 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M747-5H14 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| S397-5H14 PRIMARY | Huck International, Inc (USA) |
| 11833-5H14 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M747-5H14 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 122896-5H14 | 3/2 Design control — primary reference U.S. Government activity |
| 10362115 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-477-5582 is a Bolt,close Tolerance, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-477-5582 has 14 manufacturer part numbers on file: SLB254-5H14 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), AIC688-5H14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 122896-5H14 (Sps Technologies, Llc Dba PB Fasteners), A1C688-5H14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), MB155-5H14 (Hi-Shear Corporation) and 9 more.
Key specifications for SLB254-5H14: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 1.358 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.467 INCHES NOMINAL IN. 22 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.