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520-078 — MARKER,IDENTIFICATION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

520-078: MARKER,IDENTIFICATION.

The MARKER,IDENTIFICATION is a the manufacturer industrial component. Key specifications include special_features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200, supplementary_features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-113-1497, 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
520-078
NSN: 5330-00-113-1497
NIINs: 001131497, 003773915, 016168740
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
NSN5330-00-113-1497
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 520-078 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
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 0.999 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER0.999 INCHES NOMINAL IN
CASE STYLESQUARE
SPECIAL FEATURESCRES SPRING
ACCOMMODATED SHAFT DIAMETER0.500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 4
00044 TY 1 CASE TY 2B ELEMENTReference document
Same NSN cross-reference
Reference document — Design control — primary reference
541625Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
00044Reference document
Same NSN cross-reference
Reference document — Secondary reference
167840Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 520-078?
520-078 is a MARKER,IDENTIFICATION.
What parts can replace 520-078?
There are 4 known substitutes for 520-078: 00044 TY 1 CASE TY 2B ELEMENT, 541625, 00044 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 520-078?
520-078 is cataloged in the U.S. Government catalog under NSN 5330-00-113-1497. This indicates validated use in U.S. government and defense supply chains.
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