RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 321, overall_height: 3.000 INCHES NOMINAL IN, flange_diameter: 4.500 INCHES NOMINAL IN, flange_thickness: 0.032 INCHES NOMINAL IN, style_designator: IRREGULAR, surface_treatment: PASSIVATE. This part is cataloged in the U.S.
Government catalog under NSN 5340-01-357-0681, 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
87770
NSN:5340-01-357-0681 FSC:5340 — Hardware, Commercial CAGE:07649 — SENIOR OPERATIONS LLC DBA METAL BELLOWS DIV METAL BELLOWS (USA)
SPECIFICATIONS
material
STEEL COMP 321
overall_height
3.000 INCHES NOMINAL IN
flange_diameter
4.500 INCHES NOMINAL IN
flange_thickness
0.032 INCHES NOMINAL IN
style_designator
IRREGULAR
surface_treatment
PASSIVATE
body_inside_diameter
3.781 INCHES NOMINAL IN
body_outside_diameter
3.835 INCHES MINIMUM AND 3.845 INCHES MAXIMUM IN
casehardening_indicator
NOT CASEHARDENED
material_document_and_classification
AMS 5510, SAE 30321 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classification
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN
5340-01-357-0681
COMPONENT DIAGRAM
KEY FEATURES
•
FLANGE DIAMETER: 4.500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.032 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.835 INCHES MINIMUM AND 3.845 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510, SAE 30321 ASSN STD SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 3.781 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER
4.500 INCHES NOMINAL IN
OVERALL HEIGHT
3.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS
0.032 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER
3.835 INCHES MINIMUM AND 3.845 INCHES MAXIMUM IN
STYLE DESIGNATOR
IRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATION
AMS 5510, SAE 30321 ASSN STD SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER
3.781 INCHES NOMINAL IN
CASEHARDENING INDICATOR
NOT CASEHARDENED
SURFACE TREATMENT
PASSIVATE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 87770?
87770 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 87770?
87770 is cataloged in the U.S. Government catalog under NSN 5340-01-357-0681. This indicates validated use in U.S. government and defense supply chains.
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