The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-055-9093, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-01-055-9093 |
| Primary Part Number | CA21037-4-2HS |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.520 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Series Designator | UNF |
| Surface Treatment | CADMIUM OVERALL |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL COMP 8740 OVERALL |
| Material Document and Classification | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Quantity Per Inch | 28 |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Width Across Flats | 0.140 INCHES NOMINAL IN |
| Fastener Length | 0.972 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Internal Drive Style | HEXAGON |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ET274A4-2 | Avibank Mfg., Inc. Dba Avibank Manufacturing Inc (USA) |
| 5306PL1497133 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 5306PL1631740 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 120000-4-2 | Monadnock Company, the Dba Lisi Aerospace (USA) |
| C9537-4-2 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| CA21037-4-2HS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| CA21037-4-2HS | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| 5306PL2215035 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5306-01-055-9093 is a Bolt,internal Wrenching, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-01-055-9093 has 8 cross-referenced part numbers: ET274A4-2 (Avibank Mfg., Inc. Dba Avibank Manufacturing Inc), 5306PL1497133 (Jednolity Indeks Materialowy - Uniform Material Index), 5306PL1631740 (Jednolity Indeks Materialowy - Uniform Material Index), 120000-4-2 (Monadnock Company, the Dba Lisi Aerospace), C9537-4-2 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company) and 3 more.
There is 1 known substitute for 5306-01-055-9093: 5935-00-440-9051. Verify interchangeability with system specifications before substitution.
Key specifications for CA21037-4-2HS: Thread Direction: RIGHT-HAND; Thread Length: 0.520 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Series Designator: UNF. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-01-055-9093 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.