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Technical Data Sheet
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7057A — 7057A

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

7057A: 7057A.

The 7057A is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-198-8453, 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
MRO→ MRO_GENERAL→ 7057A
NSN: 5330-01-198-8453
NIINs: 011988453, 013733818
FSC: 5330 — Packing and Gasket Materials
CAGE: 01518 — ALNOR INSTRUMENT COMPANY (USA)
SPECIFICATIONS
Part Number7057A
NSN5330-01-198-8453
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7057A 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7057A?
7057A is a 7057A. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 7057A?
7057A is cataloged in the U.S. Government catalog under NSN 5330-01-198-8453. This indicates validated use in U.S. government and defense supply chains.
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