National Stock number : 5305-01-107-3529
Assembled Washer Screw
| Available Quantity | 31,483 |
| Available Conditions | NS NE SV |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 08/28/2025 |
Part-Number.info Quality System
- ISO 9001:2015 + AS9120B Certifed
- Audited supply chain
- Counterfeit Parts Prevention
- 100% Product Inspections
- 7 Year Record Retention
- HAZMAT Certified
- ITAR and DDTC Registered
Product Properties
Description
Assembled Washer Screw
Thread Class
2a
Thread Direction
RIGHT-Hand
Thread Length
0.299in. ⁓5/16"
Fastener Length
0.343in. and 0.375in. ⁓3/8"
Head Style
pan
Head Diameter
0.205in. and 0.219in.
Head Height
0.078in. and 0.080in. ⁓3/32"
Washer Quantity
2
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.112in. (UTS #4)
Thread Quantity Per Inch
40
Hardness Rating
35.0 rockwell c primary washer and 43.0 rockwell c primary washer
Secondary Washer Relationship To Primary Washer
not identical
Secondary Washer Style
flat
Primary Washer Outside Diameter
0.209in.
Secondary Washer Outside Diameter
0.213in. and 0.223in.
Primary Washer Style
split helical ring
Primary Washer Material Thickness
0.025in.
Secondary Washer Material Thickness
0.013in. and 0.019in.
Material
steel comp 430 fastener or steel comp 302 fastener or steel comp 303se fastener
Material Document And Classification
QQ-S-763 fed spec 1st material response fastener or MIL-S-7720 mil spec 2nd material response fastener or astm A582 assn std 3rd material response fastener
Surface Treatment
passivate secondary washer
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response primary washer
Thread Series Designator
unc
Specification/standard Data
80205-NAS1301 professional/industrial association standard
