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9337978 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9337978: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 4130, overall_height: 2.280 INCHES NOMINAL IN, style_designator: IRREGULAR, surface_treatment: NICKEL, body_inside_diameter: 0.609 INCHES NOMINAL IN, body_outside_diameter: 1.030 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-149-5946, 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
9337978
NSN: 5340-01-149-5946
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
overall_height2.280 INCHES NOMINAL IN
style_designatorIRREGULAR
surface_treatmentNICKEL
body_inside_diameter0.609 INCHES NOMINAL IN
body_outside_diameter1.030 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationMIL-S-18729, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-149-5946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9337978 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
•
BODY OUTSIDE DIAMETER: 1.030 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18729, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.609 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT: NICKEL
•
MATERIAL: STEEL COMP 4130
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.280 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.030 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER0.609 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTNICKEL
MATERIALSTEEL COMP 4130
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 9337978?
9337978 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 9337978?
9337978 is cataloged in the U.S. Government catalog under NSN 5340-01-149-5946. This indicates validated use in U.S. government and defense supply chains.
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