Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include end_item_identification: STAND-ALONE GROUND SUPPORT AIR CONDITIONER, MODEL MK-12. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-882-7811, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
6251-13
NSN:5306-00-882-7811 FSC:5306 CAGE:0W357 — PDI GROUND SUPPORT SYSTEMS, INC. (USA)
SPECIFICATIONS
end_item_identification
STAND-ALONE GROUND SUPPORT AIR CONDITIONER, MODEL MK-12
NSN
5306-00-882-7811
COMPONENT DIAGRAM
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 2.062 INCHES MINIMUM AND 2.093 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.750 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST SHOULDER IN
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL: STEEL COMP 1020 OVERALL
•
THREAD QUANTITY PER INCH: 20
•
RIB MINOR DIAMETER: 0.526 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTION
RIGHT-HAND
FASTENER LENGTH
2.062 INCHES MINIMUM AND 2.093 INCHES MAXIMUM IN
HEAD DIAMETER
0.750 INCHES NOMINAL IN
SHOULDER DIAMETER
0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST SHOULDER IN
FEATURES PROVIDED
CASEHARDENED
MATERIAL
STEEL COMP 1020 OVERALL
THREAD QUANTITY PER INCH
20
RIB MINOR DIAMETER
0.526 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 6251-13?
6251-13 is a BOLT,RIBBED SHOULDER.
What parts can replace 6251-13?
There are 22 known substitutes for 6251-13: 6251-13, B758-A0014, 6515NCM115834 and 19 more. Substitute compatibility should be verified for your specific system.
Is 6251-13 still available?
6251-13 is currently cancelled.
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