The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-697-1370, 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. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-697-1370 |
| Primary Part Number | NAS1790C4-3AY |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Fastener Length | 0.5975 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS4006 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.2812 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ALUMINUM OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.506 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 |
|---|---|
| NAS1790C4-3AY PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS1790C4-3AY PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS1790C4-3AY PRIMARY | Hi-Shear Corporation (USA) |
| NAS1790C4-3AY PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS1790C4-3AY PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS1790C4-3AY PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| NAS1790C4-3AY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| NAS1790C4-3AY PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| NAS1790C4-3AY PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1790C4-3AY | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-697-1370 is a Bolt,internal Wrenching, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-697-1370 has 9 manufacturer part numbers on file: NAS1790C4-3AY (Sps Technologies, Llc Dba PB Fasteners), NAS1790C4-3AY (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), NAS1790C4-3AY (Hi-Shear Corporation), NAS1790C4-3AY (Valley-Todeco, Inc. Dba Arconic Fastening Systems), NAS1790C4-3AY (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 4 more.
Key specifications for NAS1790C4-3AY: Fastener Length: 0.5975 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS4006 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.425 INCHES NOMINAL IN; Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.