The Screw,close Tolerance, cataloged under National Stock Number 5305-00-364-9543, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 25 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-364-9543 |
| Primary Part Number | ST3M454-3L6 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Thread Class | 3A A |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Diameter | 0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Quantity Per Inch | 32 |
| Internal Drive Style | HIGH-TORQUE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Style | FLAT COUNTERSUNK |
| Material Document and Classification | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ST3M454-3L6 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 10125240 | Nimikkeistokeskus Ncb Finland (FIN) |
| ST3M454-3L6 PRIMARY | The Boeing Company Div Defense (USA) |
| CHT4025-3-6 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| ST3M454-3L6 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| ST3M454-3L6 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4025L3-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HT4025L3-6 | Huck Intl Inc (USA) |
| HT4025L3-6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M454-3L6 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 11905-3L6 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4025L3-6 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| CHT4025-3-6 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| ST3M454-3L6 | Sps Technologies Inc (USA) |
| HT4025L3-6 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| HT4025L3-6 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HT4025L3-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M454-3L6 | Hi-Shear Corporation (USA) |
| ST3M454-3L6 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| WC4025L-3-6 | West Coast Aerospace, Inc. (USA) |
NSN 5305-00-364-9543 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-364-9543 has 31 cross-referenced part numbers: ST3M454-3L6 (Fastener Innovation Technology, Inc. Dba F I T), 10125240 (Nimikkeistokeskus Ncb Finland), ST3M454-3L6 (The Boeing Company Div Defense), CHT4025-3-6 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), ST3M454-3L6 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana) and 26 more.
There is 1 known substitute for 5305-00-364-9543: 3110-00-498-6552. Verify interchangeability with system specifications before substitution.
Key specifications for ST3M454-3L6: Thread Class: 3A A; Grip Length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Diameter: 0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.