The Bolt,shear, cataloged under National Stock Number 5306-01-619-8307, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-619-8307 |
| Primary Part Number | 20-114-4B8A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 1.301 INCHES NOMINAL IN |
| Thread Length | 0.531 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS-H-6875 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL 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 |
|---|---|
| 20-114-4B8A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 20-114-4B8A | Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners (USA) |
| 20-114-4B8A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-114-4B8A | Saturn Fasteners Inc (USA) |
| 20-114-4B8A | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| 20-114-4B8A | B & B Specialties Inc (USA) |
| Reference | Meaning |
|---|---|
| 20-114-4B8A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-619-8307 is a Bolt,shear, manufactured by B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-619-8307 has 6 manufacturer part numbers on file: 20-114-4B8A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 20-114-4B8A (Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners), 20-114-4B8A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-114-4B8A (Saturn Fasteners Inc), 20-114-4B8A (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona) and 1 more.
Key specifications for 20-114-4B8A: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 1.301 INCHES NOMINAL IN; Thread Length: 0.531 INCHES NOMINAL IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. 18 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.