The Setscrew, cataloged under National Stock Number 5305-00-058-9379, is classified within Federal Supply Class 5305 (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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-058-9379 |
| Primary Part Number | MS51977-51 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Point Style | HALF DOG |
| Thread Class | 3A A |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Length | 0.375 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Material | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Internal Drive Style | HEXAGON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Quantity Per Inch | 20 |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| UNBRAKO1/4UNC3/8-D | Unbrako Deepak Fasteners ( Australia) P/l (AUS) |
| PWA10132-16 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| MS51977-51 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| D15-673F264 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5305000589379 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MILF1184TYPE1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS51977-51 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
NSN 5305-00-058-9379 is a Setscrew, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-058-9379 has 7 cross-referenced part numbers: UNBRAKO1/4UNC3/8-D (Unbrako Deepak Fasteners ( Australia) P/l), PWA10132-16 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), MS51977-51 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), D15-673F264 (Zf Industrieantriebe Witten Gmbh), 5305000589379 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 2 more.
There are 2 known substitutes for 5305-00-058-9379: 4730-00-187-7648, 4730-00-254-6373. Verify interchangeability with system specifications before substitution.
Key specifications for MS51977-51: Point Style: HALF DOG; Thread Class: 3A A; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Thread Length: 0.375 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-058-9379 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.