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605B912H02 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

605B912H02: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 303, lip_thickness: 0.060 INCHES NOMINAL IN, overall_height: 0.440 INCHES NOMINAL IN, end_hole_diameter: 0.390 INCHES NOMINAL IN, body_inside_diameter: 0.625 INCHES NOMINAL IN, body_outside_diameter: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-490-2082, 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
605B912H02
NSN: 5340-00-490-2082
FSC: 5340 — Hardware, Commercial
CAGE: 48306 — NORTHROP GRUMMAN SUPPORT SERVICES CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303
lip_thickness0.060 INCHES NOMINAL IN
overall_height0.440 INCHES NOMINAL IN
end_hole_diameter0.390 INCHES NOMINAL IN
body_inside_diameter0.625 INCHES NOMINAL IN
body_outside_diameter0.875 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-490-2082
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 605B912H02 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: 0.875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
LIP THICKNESS: 0.060 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
•
END HOLE DIAMETER: 0.390 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.440 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER0.625 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
LIP THICKNESS0.060 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
END HOLE DIAMETER0.390 INCHES NOMINAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 605B912H02?
605B912H02 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 605B912H02?
605B912H02 is cataloged in the U.S. Government catalog under NSN 5340-00-490-2082. 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.