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A51M11103-11 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51M11103-11: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, mounting_method: UNTHREADED HOLE(S), mounting_device_quantity: 12. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-421-8502, 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
A51M11103-11
NSN: 5340-00-421-8502
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
mounting_methodUNTHREADED HOLE(S)
mounting_device_quantity12
NSN5340-00-421-8502
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51M11103-11 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
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
MOUNTING DEVICE QUANTITY: 12
•
MATERIAL: RUBBER SILICONE BODY
TECHNICAL CHARACTERISTICS
MOUNTING METHODUNTHREADED HOLE(S)
MOUNTING DEVICE QUANTITY12
MATERIALRUBBER SILICONE BODY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
A51M1103-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51M11103-11?
A51M11103-11 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace A51M11103-11?
There is 1 known substitute for A51M11103-11: A51M1103-11. Substitute compatibility should be verified for your specific system.
What is the NSN for A51M11103-11?
A51M11103-11 is cataloged in the U.S. Government catalog under NSN 5340-00-421-8502. 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.