The 121258-1 is a the manufacturer industrial component. Key specifications include thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL BOSS FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END, features_provided: VALVE STEM LOCK SHIELD. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-205-2360, 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
MRO→MRO_GENERAL→121258-1
NSN:5330-00-205-2360 NIINs:002052360, 008823097, 009387471 FSC:5330 — Packing and Gasket Materials CAGE:98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
thread_class
3A FIRST END A
connection_type
THREADED EXTERNAL BOSS FIRST END
connection_style
EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
style_designator
ANGLE
thread_direction
RIGHT-HAND FIRST END
features_provided
VALVE STEM LOCK SHIELD
nominal_thread_size
0.750 INCHES FIRST END IN
opening_pressure_setting
200.0 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch
16 FIRST END
thread_series_designator
UNF FIRST END
NSN
5330-00-205-2360
COMPONENT DIAGRAM
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY,INVESTMENT CASTING,COMP 356,C-03-626 FSCM 36659,ONE LEG 4.030 IN. LG,2ND LEG 3.333 IN. LG,0.250 IN. O/A H,0.050 IN. THK MATL,3 HOLES 0.260 IN. MIN 0.267 IN. MAX DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION
ALUMINUM ALLOY,INVESTMENT CASTING,COMP 356,C-03-626 FSCM 36659,ONE LEG 4.030 IN. LG,2ND LEG 3.333 IN. LG,0.250 IN. O/A H,0.050 IN. THK MATL,3 HOLES 0.260 IN. MIN 0.267 IN. MAX DIA IN
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FREQUENTLY ASKED QUESTIONS
What is 121258-1?
121258-1 is a 121258-1. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121258-1?
There is 1 known substitute for 121258-1: 1212581-102. Substitute compatibility should be verified for your specific system.
What is the NSN for 121258-1?
121258-1 is cataloged in the U.S. Government catalog under NSN 5330-00-205-2360. This indicates validated use in U.S. government and defense supply chains.
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