Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: RUBBER. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-354-1227, 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
157244
NSN:5305-00-354-1227 FSC:5305 CAGE:7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
material
RUBBER
NSN
5305-00-354-1227
COMPONENT DIAGRAM
KEY FEATURES
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD LENGTH: 1.125 INCHES MINIMUM IN
•
FASTENER LENGTH: 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER
0.375 INCHES IN
THREAD LENGTH
1.125 INCHES MINIMUM IN
FASTENER LENGTH
1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
THREAD CLASS
3A A
MATERIAL
STEEL OVERALL
THREAD QUANTITY PER INCH
16
THREAD SERIES DESIGNATOR
UNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING
32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 157244?
157244 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 157244?
There are 4 known substitutes for 157244: DS-B99977-02-8-12-12-RF-10-RF-F1, 5157244, 5328000 and 1 more. Substitute compatibility should be verified for your specific system.
Is 157244 still available?
157244 is currently cancelled.
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