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3473-040 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3473-040: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 630, overall_height: 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN, style_designator: IRREGULAR, surface_treatment: PASSIVATE, body_outside_diameter: 0.510 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-808-7953, 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
3473-040
NSN: 5340-00-808-7953
FSC: 5340 — Hardware, Commercial
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialSTEEL COMP 630
overall_height0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN
style_designatorIRREGULAR
surface_treatmentPASSIVATE
body_outside_diameter0.510 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-808-7953
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3473-040 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: 0.510 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 630
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.510 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
STYLE DESIGNATORIRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 630
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 3473-040?
3473-040 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 3473-040?
3473-040 is cataloged in the U.S. Government catalog under NSN 5340-00-808-7953. This indicates validated use in U.S. government and defense supply chains.
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