The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-068-0500, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 27 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-068-0500 |
| Primary Part Number | 28988-4 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | CANCELLED |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment Document and Classification | SAE/AMS QQ-P-416 TY2CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| TG201271 PC6 | Teledyne Industries Inc Teledyne Power Systems Div (USA) |
| SK-6001-6 | Gse Management Co (USA) |
| 10386407 | Nimikkeistokeskus Ncb Finland (FIN) |
| AN65-4-4 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 5305PL0682840 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 62500-7 | Drs Environmental Systems Inc (USA) |
| 5305-068-0500 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 28988-4 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| MS35291-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 62500-7 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| 132848 PRIMARY | Sanstorm Inc (USA) |
| MS90725-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 8U56702-112 | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
| 0702060 | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE) |
| MS35297-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 015587T PRIMARY | Kovatch Corp. (USA) |
| B18.2.1 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 318.2 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| D-21496-1 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| 5305000680500 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-00-068-0500 is a Screw,cap,hexagon Head, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-068-0500 has 33 cross-referenced part numbers: TG201271 PC6 (Teledyne Industries Inc Teledyne Power Systems Div), SK-6001-6 (Gse Management Co), 10386407 (Nimikkeistokeskus Ncb Finland), AN65-4-4 (Aeronautical Standards Group Dept of Navy and Air Force), 5305PL0682840 (Jednolity Indeks Materialowy - Uniform Material Index) and 28 more.
There are 12 known substitutes for 5305-00-068-0500: 3020-00-033-9156, 3110-00-100-0297, 5305-00-226-9267 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28988-4: Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS; Material: STEEL OVERALL; Material Document and Classification: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-068-0500 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.