2-56-2RBT Machine Screw
5305-00-059-8226
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Official Item Classification
- Name
- Machine Screw
- Part Number
- 2-56-2RBT
- (NSN) National Stock Number
- 5305-00-059-8226
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 06657
- (FIIG) Federal Item Identification Guide
- A500D0
- Date
- 01/01/1963 (63 years ago)
0.094 inches minimum and 0.125 inches maximum fastener length, 0.089 inches minimum and 0.125 inches maximum thread length, 2a thread class, pan head style, right-hand thread direction
Specs & Compatibility
2a
right-hand
0.089 inches minimum and 0.125 inches maximum
0.094 inches minimum and 0.125 inches maximum
pan
0.155 inches minimum and 0.167 inches maximum
0.053 inches minimum and 0.062 inches maximum
cross recess type 1
w/s:helicopter, iroquois uh-1; fms-knox class ff; helicopter, advance attack, ah-1w; consolidated targets; fms-lst 511-1152 class; an/trn-30 beacon set radio; wasp class lhd; f4s aircraft; tarawa class lha; nimitz class cvn
0.086 inches
56
57000 pounds per square inch
copper alloy
qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
unc
Replacement For
| Part Number | Description | |
|---|---|---|
| 5305-00-054-4324 | No Name Available | 04/23/1969 |
| 5305-00-141-4383 | No Name Available | 09/01/1977 |
| 5305-00-149-9860 | No Name Available | 02/08/2017 |
| 5305-00-150-9802 | No Name Available | 01/18/1967 |
| 5305-00-285-2574 | Machine Screw | 07/01/2025 |
| 5305-00-286-3649 | No Name Available | 10/01/1982 |
| 5305-00-290-3002 | No Name Available | 10/01/1982 |
| 5305-00-550-4274 | No Name Available | 05/02/2001 |
| 5305-00-571-2404 | No Name Available | 07/15/1968 |
| 5305-00-584-7186 | No Name Available | 12/01/1982 |
| 5305-00-655-9383 | No Name Available | 02/17/1967 |
| 5305-00-838-6728 | No Name Available | 03/05/1971 |
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0006657
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