The Fastener Assembly,turnlock, cataloged under National Stock Number 5325-00-478-3318, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-478-3318 |
| Primary Part Number | MS17731-3 |
| Item Name | Fastener Assembly,turnlock |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | ACTIVE |
| Receptacle Width | 0.625 INCHES MAXIMUM IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Grip Length | 0.800 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Turnlock Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Stud Shank Major Diameter | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Turnlock Stud Shank Style | STUD SHANK |
| Material | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1055 OR STEEL COMP 1060 OR STEEL COMP 1095 OVERALL |
| Diameter | 0.525 INCHES NOMINAL IN |
| Receptacle Overall Length | 1.135 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE |
| Receptacle Height | 0.625 INCHES MAXIMUM IN |
| Drive Type | CROSS RECESS |
| Center to Center Distance Between Mounting Holes | 0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.291 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Turnlock Receptacle Style | RECEPTACLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS17731-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS17731-3A | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS17731-3 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MIL-F-22978 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5325-00-478-3318 is a Fastener Assembly,turnlock, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-478-3318 has 4 cross-referenced part numbers: MS17731-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS17731-3A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS17731-3 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-F-22978 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5325-00-478-3318: 5325-00-133-2094, 5325-00-197-3359, 5325-00-278-0734 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS17731-3: Receptacle Width: 0.625 INCHES MAXIMUM IN; Mounting Style: PLAIN W/MOUNTING HOLE; Grip Length: 0.800 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.