National Stock number : 5305-01-621-4257
Panel Screw Assembly
| Available Quantity | 1 |
| Available Conditions | NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 05/21/2026 |
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
Panel Screw Assembly
Thread Class
3a
Thread Direction
RIGHT-Hand
Fastener Length
1.23in. and 1.27in. ⁓1-9/32"
Head Style
knurled no. 5
Head Diameter
0.531in.
Head Height
0.530in. ⁓17/32"
Internal Drive Style
cross recess type ii
Material Accommodated Thickness
0.032in. and 0.093in.
Nominal Thread Diameter
0.250in. ⁓1/4"
Features Provided
washer
Thread Quantity Per Inch
20
Part Name Assigned By Controlling Agency
captive fastener, 1/4-20
Material
steel comp 302 fastener
Material Document And Classification
ASTM-A493 assn std single material response or AMS5636 national std/spec single material response fastener
Surface Treatment
passivate washer
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response washer
Thread Series Designator
unf
