Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, shank_length: 0.250 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.388 INCHES NOMINAL IN, overall_length: 2.935 INCHES NOMINAL IN, surface_finish: 20.0 MICROINCHES SHOULDER END. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-032-3371, 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
421301
NSN:5340-00-032-3371 FSC:5340 CAGE:80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
material
STEEL COMP 440C OVERALL
shank_length
0.250 INCHES NOMINAL IN
thread_class
2A A
thread_length
0.388 INCHES NOMINAL IN
overall_length
2.935 INCHES NOMINAL IN
surface_finish
20.0 MICROINCHES SHOULDER END
undercut_width
0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
first_end_style
SQUARE
hardness_rating
58.0 ROCKWELL C MINIMUM OVERALL
special_features
0.375 IN. W SQUARE END IN
thread_direction
RIGHT-HAND
shoulder_diameter
0.844 INCHES NOMINAL IN
NSN
5340-00-032-3371
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 304
•
HEIGHT: 0.718 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.531 INCHES NOMINAL IN
•
FURNISHED ITEMS: LOCKNUT
•
WIDTH: 2.000 INCHES NOMINAL IN
•
LENGTH: 2.125 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SAE 925 ASSN STD SINGLE TREATMENT RESPONSE OR TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL
STEEL COMP 304
HEIGHT
0.718 INCHES NOMINAL IN
HOLE DIAMETER
0.531 INCHES NOMINAL IN
FURNISHED ITEMS
LOCKNUT
WIDTH
2.000 INCHES NOMINAL IN
LENGTH
2.125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
SAE 925 ASSN STD SINGLE TREATMENT RESPONSE OR TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE
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FREQUENTLY ASKED QUESTIONS
What is 421301?
421301 is a PIN,SHOULDER,HEADLESS.
What parts can replace 421301?
There are 3 known substitutes for 421301: 4382 PIECE 12, 4381, 4213. Substitute compatibility should be verified for your specific system.
What is the NSN for 421301?
421301 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-032-3371. This indicates validated use in U.S. government and defense supply chains.
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