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947502-1 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

947502-1: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 6061, overall_height: 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN, end_hole_diameter: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, surface_treatment: CHROMATE, body_inside_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, body_outside_diameter: 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-186-7287, 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
947502-1
NSN: 5340-00-186-7287
FSC: 5340 — Hardware, Commercial
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
overall_height0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
end_hole_diameter0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
surface_treatmentCHROMATE
body_inside_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
body_outside_diameter0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-186-7287
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 947502-1 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
•
BODY OUTSIDE DIAMETER: 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT: CHROMATE
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
BODY OUTSIDE DIAMETER0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTCHROMATE
MATERIALALUMINUM ALLOY 6061
END HOLE DIAMETER0.187 INCHES MINIMUM AND 0.188 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 947502-1?
947502-1 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 947502-1?
947502-1 is cataloged in the U.S. Government catalog under NSN 5340-00-186-7287. 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.