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AC044057 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AC044057: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 1.082 INCHES NOMINAL IN, flange_diameter: 1.054 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN, flange_thickness: 0.742 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN, style_designator: PARALLEL, body_inside_diameter: 0.590 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-175-9138, 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
AC044057
NSN: 5340-01-175-9138
FSC: 5340 — Hardware, Commercial
CAGE: K1037 — MEGGITT AEROSPACE LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height1.082 INCHES NOMINAL IN
flange_diameter1.054 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
flange_thickness0.742 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
style_designatorPARALLEL
body_inside_diameter0.590 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
fsc_application_dataVALVE,BRAKE CONTROL
body_outside_diameter0.666 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
outside_chamfer_angle_in_deg45.0
NSN5340-01-175-9138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AC044057 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: 1.054 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: VALVE,BRAKE CONTROL
•
FLANGE THICKNESS: 0.742 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.666 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PARALLEL
•
BODY INSIDE DIAMETER: 0.590 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
•
OUTSIDE CHAMFER ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.054 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
OVERALL HEIGHT1.082 INCHES NOMINAL IN
FSC APPLICATION DATAVALVE,BRAKE CONTROL
FLANGE THICKNESS0.742 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.666 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN
STYLE DESIGNATORPARALLEL
BODY INSIDE DIAMETER0.590 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
OUTSIDE CHAMFER ANGLE IN DEG45.0
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL CORROSION RESISTING
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 AC044057?
AC044057 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for AC044057?
AC044057 is cataloged in the U.S. Government catalog under NSN 5340-01-175-9138. 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.