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RD34733 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RD34733: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 6061, design_type: SOLID, end_diameter: 0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN, bore_diameter: 0.5100 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN, overall_height: 1.1500 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-187-3365, 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
RD34733
NSN: 5340-01-187-3365
FSC: 5340 — Hardware, Commercial
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeSOLID
end_diameter0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
bore_diameter0.5100 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN
overall_height1.1500 INCHES NOMINAL IN
style_designatorSEAT
counterbore_length0.6570 INCHES MINIMUM AND 0.6620 INCHES MAXIMUM IN
first_step_diameter0.9960 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
chamfer_angle_in_deg30.0
counterbore_diameter0.0050 INCHES NOMINAL IN
countersink_diameter0.0940 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM IN
countersink_angle_in_deg40.0
NSN5340-01-187-3365
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RD34733 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
•
COUNTERSINK ANGLE IN DEG: 40.0
•
FIRST STEP DIAMETER: 0.9960 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
•
END DIAMETER: 0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
•
COUNTERSINK DIAMETER: 0.0940 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.9000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.1500 INCHES NOMINAL IN
COUNTERSINK ANGLE IN DEG40.0
FIRST STEP DIAMETER0.9960 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
END DIAMETER0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
COUNTERSINK DIAMETER0.0940 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.9000 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8, 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERBORE LENGTH0.6570 INCHES MINIMUM AND 0.6620 INCHES MAXIMUM IN
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 RD34733?
RD34733 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for RD34733?
RD34733 is cataloged in the U.S. Government catalog under NSN 5340-01-187-3365. 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.