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3314384-1 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3314384-1: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 4340, overall_height: 3.220 INCHES NOMINAL IN, style_designator: PARALLEL, end_hole_diameter: 1.000 INCHES NOMINAL IN, body_inside_diameter: 3.375 INCHES NOMINAL IN, inside_chamfer_depth: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-238-2762, 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
3314384-1
NSN: 5340-01-238-2762
FSC: 5340 — Hardware, Commercial
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4340
overall_height3.220 INCHES NOMINAL IN
style_designatorPARALLEL
end_hole_diameter1.000 INCHES NOMINAL IN
body_inside_diameter3.375 INCHES NOMINAL IN
inside_chamfer_depth0.190 INCHES NOMINAL IN
body_outside_diameter3.990 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
outside_chamfer_depth1.030 INCHES NOMINAL IN
mounting_hole_diameter0.331 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
inside_chamfer_angle_in_deg37.0
outside_chamfer_angle_in_deg45.0
NSN5340-01-238-2762
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3314384-1 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: 3.990 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.331 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
•
INSIDE CHAMFER DEPTH: 0.190 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 3.375 INCHES NOMINAL IN
•
OUTSIDE CHAMFER ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.220 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.990 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.331 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
INSIDE CHAMFER DEPTH0.190 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.375 INCHES NOMINAL IN
OUTSIDE CHAMFER ANGLE IN DEG45.0
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL COMP 4340
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3314384-1?
3314384-1 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 3314384-1?
3314384-1 is cataloged in the U.S. Government catalog under NSN 5340-01-238-2762. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.