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5177830 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5177830: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 7075, lip_thickness: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, overall_height: 1.099 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN, flange_diameter: 1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM IN, flange_thickness: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, style_designator: PARALLEL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-301-0649, 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
5177830
NSN: 5340-01-301-0649
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
lip_thickness0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
overall_height1.099 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN
flange_diameter1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM IN
flange_thickness0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
style_designatorPARALLEL
end_hole_diameter0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
surface_treatmentANODIZE
body_inside_diameter0.915 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
bolt_circle_diameter1.328 INCHES NOMINAL IN
body_outside_diameter1.052 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN
mounting_hole_diameter0.152 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
NSN5340-01-301-0649
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5177830 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: 1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.052 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PARALLEL
•
MOUNTING HOLE DIAMETER: 0.152 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.915 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM IN
OVERALL HEIGHT1.099 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.052 INCHES MINIMUM AND 1.119 INCHES MAXIMUM IN
STYLE DESIGNATORPARALLEL
MOUNTING HOLE DIAMETER0.152 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.915 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
LIP THICKNESS0.083 INCHES MINIMUM AND 0.103 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5177830?
5177830 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 5177830?
5177830 is cataloged in the U.S. Government catalog under NSN 5340-01-301-0649. 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.