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151-7066457-16 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

151-7066457-16: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: COPPER, overall_height: 4.000 INCHES NOMINAL IN, flange_diameter: 4.250 INCHES NOMINAL IN, style_designator: IRREGULAR, body_inside_diameter: 2.312 INCHES NOMINAL IN, body_outside_diameter: 2.880 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-493-8927, 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
151-7066457-16
NSN: 5340-01-493-8927
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER
overall_height4.000 INCHES NOMINAL IN
flange_diameter4.250 INCHES NOMINAL IN
style_designatorIRREGULAR
body_inside_diameter2.312 INCHES NOMINAL IN
body_outside_diameter2.880 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
end_item_identificationLOS ANGELES CLASS SSN (688), DOOR ASSY,LO.
NSN5340-01-493-8927
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 151-7066457-16 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
•
FLANGE DIAMETER: 4.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.880 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR
•
BODY INSIDE DIAMETER: 2.312 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: COPPER
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER4.250 INCHES NOMINAL IN
OVERALL HEIGHT4.000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.880 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
BODY INSIDE DIAMETER2.312 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688), DOOR ASSY,LO.
MATERIALCOPPER
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 1
H462-0411-16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 151-7066457-16?
151-7066457-16 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 151-7066457-16?
There is 1 known substitute for 151-7066457-16: H462-0411-16. Substitute compatibility should be verified for your specific system.
What is the NSN for 151-7066457-16?
151-7066457-16 is cataloged in the U.S. Government catalog under NSN 5340-01-493-8927. 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.