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PartsTable / COMPONENT / A156.9 B03072
A156.9 B03072 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The A156.9 B03072 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-913-5301, 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
A156.9 B03072
NSN: 5340-00-913-5301
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberA156.9 B03072
NSN5340-00-913-5301
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A156.9 B03072 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
•
LENGTH: 1.438 INCHES NOMINAL IN
•
FEATURES PROVIDED: SCREW
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
WIDTH: 0.750 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: F1073D TYPE
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH1.438 INCHES NOMINAL IN
FEATURES PROVIDEDSCREW
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
WIDTH0.750 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAF1073D TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
4629248 PC 103Upgraded Successor
successor cross-reference
successor
1800T4Upgraded Successor
successor cross-reference
successor
1800-1AUpgraded Successor
successor cross-reference
successor
FFH111-1212Upgraded Successor
successor cross-reference
successor
2904Upgraded Successor
successor cross-reference
successor
FF-H-111Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A156.9 B03072?
A156.9 B03072 is a A156.9 B03072.
What parts can replace A156.9 B03072?
There are 21 known substitutes for A156.9 B03072: 4629248 PC 103, 1800T4, 1800-1A and 18 more. Substitute compatibility should be verified for your specific system.
Is A156.9 B03072 still available?
A156.9 B03072 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026