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STSV058A13 — BACK-UP RING,PREFORMED PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

STSV058A13: BACK-UP RING,PREFORMED PACKING.

The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, peripheral_diameter: 0.560 INCHES NOMINAL IN, center_hole_diameter: 0.456 INCHES NOMINAL IN, cross-sectional_height: 0.052 INCHES NOMINAL IN, end_item_identification: MANIFOLD ASSY 1A (OXYGEN) OGP A, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-321-7709, 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
STSV058A13
NSN: 5330-01-321-7709
NIINs: 013217709, 015119046
FSC: 5330 — Packing and Gasket Materials
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
peripheral_diameter0.560 INCHES NOMINAL IN
center_hole_diameter0.456 INCHES NOMINAL IN
cross-sectional_height0.052 INCHES NOMINAL IN
end_item_identificationMANIFOLD ASSY 1A (OXYGEN) OGP A
cross-sectional_shape_styleSQUARE/RECTANGULAR
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5330-01-321-7709
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STSV058A13 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
•
CROSS-SECTIONAL HEIGHT: 0.052 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 0.560 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.456 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.052 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER0.560 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.456 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMANIFOLD ASSY 1A (OXYGEN) OGP A
MATERIALPLASTIC ACETAL OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 3
SV799335 FIND 49CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SV799335 FIND 49Reference document
Same NSN cross-reference
Reference document — Secondary reference
STSV058A13CPSame 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 STSV058A13?
STSV058A13 is a BACK-UP RING,PREFORMED PACKING.
What parts can replace STSV058A13?
There are 3 known substitutes for STSV058A13: SV799335 FIND 49CP, SV799335 FIND 49, STSV058A13CP. Substitute compatibility should be verified for your specific system.
What is the NSN for STSV058A13?
STSV058A13 is cataloged in the U.S. Government catalog under NSN 5330-01-321-7709. 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.