Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, lip_thickness: 0.310 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, flange_diameter: 2.870 INCHES NOMINAL IN, flange_thickness: 0.120 INCHES NOMINAL IN, style_designator: IRREGULAR. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-067-5089, 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
DEI-1258
NSN:5340-01-067-5089 FSC:5340 CAGE:55650 — DOWN EAST, INC. (USA)
SPECIFICATIONS
material
PLASTIC POLYTETRAFLUOROETHYLENE
lip_thickness
0.310 INCHES NOMINAL IN
overall_height
1.000 INCHES NOMINAL IN
flange_diameter
2.870 INCHES NOMINAL IN
flange_thickness
0.120 INCHES NOMINAL IN
style_designator
IRREGULAR
end_hole_diameter
0.516 INCHES NOMINAL IN
body_inside_diameter
1.503 INCHES MINIMUM AND 1.507 INCHES MAXIMUM IN
body_outside_diameter
1.777 INCHES MINIMUM AND 1.778 INCHES MAXIMUM IN
casehardening_indicator
NOT CASEHARDENED
material_document_and_classification
MIL-P-19468, GROUP B MIL SPEC SINGLE MATERIAL RESPONSE
NSN
5340-01-067-5089
COMPONENT DIAGRAM
KEY FEATURES
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
LIP THICKNESS: 0.310 INCHES NOMINAL IN
•
END HOLE DIAMETER: 0.516 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-19468, GROUP B MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
STYLE DESIGNATOR: IRREGULAR
•
FLANGE THICKNESS: 0.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATOR
NOT CASEHARDENED
LIP THICKNESS
0.310 INCHES NOMINAL IN
END HOLE DIAMETER
0.516 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-P-19468, GROUP B MIL SPEC SINGLE MATERIAL RESPONSE
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FREQUENTLY ASKED QUESTIONS
What is DEI-1258?
DEI-1258 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace DEI-1258?
There are 22 known substitutes for DEI-1258: 1258, 10632, CE1258 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DEI-1258?
DEI-1258 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-067-5089. This indicates validated use in U.S. government and defense supply chains.
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