The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-697-1387, 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 15 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-697-1387 |
| Primary Part Number | NAS1790C4-5AY# |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Fastener Length | 0.7225 INCHES MINIMUM AND 0.7525 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 ASSN STD 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 |
|---|---|
| NAS1790C4-5AY# | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS1790C4-5AY# | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS1790C4-5AY# | Federal Manufacturing Corp (USA) |
| NAS1790C4-5AY# | Hi-Shear Corporation (USA) |
| NAS1790C4-5AY# | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS1790C4-5AY# | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| NAS1790C4-5AY# | Howmet Global Fastening Systems Inc (USA) |
| NAS1790C4-5AY# | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| NAS1790C4-5AY# | West Coast Aerospace, Inc. (USA) |
| NAS1790C4-5AY# | Huck International, Inc (USA) |
| NAS1790C4-5AY# | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS1790C4-5AY# | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| NAS1790C4-5AY# | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-697-1387 is a Bolt,internal Wrenching, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-697-1387 has 12 manufacturer part numbers on file: NAS1790C4-5AY# (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), NAS1790C4-5AY# (Valley-Todeco, Inc. Dba Arconic Fastening Systems), NAS1790C4-5AY# (Federal Manufacturing Corp), NAS1790C4-5AY# (Hi-Shear Corporation), NAS1790C4-5AY# (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.
Key specifications for NAS1790C4-5AY#: Fastener Length: 0.7225 INCHES MINIMUM AND 0.7525 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 ASSN STD 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.