NAS1581K4T7 Close Tolerance Screw
5305-01-059-0225
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Official Item Classification
- Name
- Close Tolerance Screw
- Part Number
- NAS1581K4T7
- (NSN) National Stock Number
- 5305-01-059-0225
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 29294
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 04/06/1978 (48 years ago)
3a thread class, flat countersunk head style, right-hand thread direction, 0.826 inches minimum and 0.856 inches maximum fastener length, 0.406 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.406 inches maximum
0.826 inches minimum and 0.856 inches maximum
flat countersunk
0.350 inches minimum and 0.399 inches maximum
0.2490 inches minimum and 0.2495 inches maximum
torque-set ribbed
0.250 inches
0.428 inches minimum and 0.448 inches maximum
28
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
titanium alloy uns r54520 overall
ams 4928 assn std single material response or ams 4967 assn std single material response overall
unjf
80205-nas1581 professional/industrial association standard
Regulatory Compliance
Precious metal content is unknown
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.
0029294
Related Hardware Products
| Part Number | Description |
|---|---|
| 5305PL0783122 | Close Tolerance Screw |
| NAS1581K4T7 | Close Tolerance Screw |
| NAS1581V4T7 | Close Tolerance Screw |