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Technical Data Sheet
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900703 — BLOCK VISION F,SPEC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

900703: BLOCK VISION F,SPEC.

The BLOCK VISION F,SPEC is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-174-2932, 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
900703
NSN: 5330-01-174-2932
NIINs: 011742932, 015952815
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
Part Number900703
NSN5330-01-174-2932
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 900703 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 1
7012MS-987-TReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 900703?
900703 is a BLOCK VISION F,SPEC.
What parts can replace 900703?
There is 1 known substitute for 900703: 7012MS-987-T. Substitute compatibility should be verified for your specific system.
What is the NSN for 900703?
900703 is cataloged in the U.S. Government catalog under NSN 5330-01-174-2932. This indicates validated use in U.S. government and defense supply chains.
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