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197573 — PULLEY,GROOVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

197573: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include special_features: ITEM NAME: BACK-UP RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-684-2572, 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
197573
NSN: 5330-00-684-2572
NIINs: 006842572, 011101350, 015502575
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresITEM NAME: BACK-UP RING
NSN5330-00-684-2572
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 197573 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: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
JOINT QUANTITY: 1
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 0.684 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.579 INCHES MINIMUM AND 0.581 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
JOINT QUANTITY1
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER0.684 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.579 INCHES MINIMUM AND 0.581 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
SUBSTITUTES & CROSS-REFERENCES 8
MS28774-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28774-015Reference document
Same NSN cross-reference
Reference document — Secondary reference
82-83015-01Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3188607 ITEM 56Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M528774-015Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS8791Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 197573?
197573 is a PULLEY,GROOVE.
What parts can replace 197573?
There are 8 known substitutes for 197573: MS28774-15, MS28774-015, 82-83015-01 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 197573?
197573 is cataloged in the U.S. Government catalog under NSN 5330-00-684-2572. 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.