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128B358P1 — HOLDER,SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

128B358P1: HOLDER,SPRING.

The HOLDER,SPRING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050, surface_treatment: CADMIUM AND CHROMATE, attachment_to_item_supported_method: FRICTION-COMPRESSION, material_document_and_classification: AISI 1050 ASSN STD SINGLE MATERIAL RESPONSE, supporting_object/surface_attachment_method: COMPRESSION. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-338-6429, 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
128B358P1
NSN: 5340-00-338-6429
FSC: 5340 — Hardware, Commercial
CAGE: 07639 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1050
surface_treatmentCADMIUM AND CHROMATE
attachment_to_item_supported_methodFRICTION-COMPRESSION
material_document_and_classificationAISI 1050 ASSN STD SINGLE MATERIAL RESPONSE
supporting_object/surface_attachment_methodCOMPRESSION
surface_treatment_document_and_classificationQQ-P-416 TYPE II,CLASS B-HEAT, TREAT PER F70C-CD3-1C, TREAT TO ROCKWELL /C/HARDNESS 30-33-TREAT BLACK PER M.P.+6D-CD3-9 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-338-6429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 128B358P1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE II,CLASS B-HEAT, TREAT PER F70C-CD3-1C, TREAT TO ROCKWELL /C/HARDNESS 30-33-TREAT BLACK PER M.P.+6D-CD3-9 FED SPEC SINGLE TREATMENT RESPONSE
•
SUPPORTING OBJECT/SURFACE ATTACHMENT METHOD: COMPRESSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 1050 ASSN STD SINGLE MATERIAL RESPONSE
•
ATTACHMENT TO ITEM SUPPORTED METHOD: FRICTION-COMPRESSION
•
SURFACE TREATMENT: CADMIUM AND CHROMATE
•
MATERIAL: STEEL COMP 1050
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE II,CLASS B-HEAT, TREAT PER F70C-CD3-1C, TREAT TO ROCKWELL /C/HARDNESS 30-33-TREAT BLACK PER M.P.+6D-CD3-9 FED SPEC SINGLE TREATMENT RESPONSE
SUPPORTING OBJECT/SURFACE ATTACHMENT METHODCOMPRESSION
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 1050 ASSN STD SINGLE MATERIAL RESPONSE
ATTACHMENT TO ITEM SUPPORTED METHODFRICTION-COMPRESSION
SURFACE TREATMENTCADMIUM AND CHROMATE
MATERIALSTEEL COMP 1050
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128B358P1?
128B358P1 is a HOLDER,SPRING.
What is the NSN for 128B358P1?
128B358P1 is cataloged in the U.S. Government catalog under NSN 5340-00-338-6429. This indicates validated use in U.S. government and defense supply chains.
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