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1783403-1 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1783403-1: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include end_item_identification: B-1B ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-294-0064, 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
1783403-1
NSN: 5340-01-294-0064
FSC: 5340 — Hardware, Commercial
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationB-1B ACFT
NSN5340-01-294-0064
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1783403-1 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESALUMINUM ALLOY INVESTMENT CASTING COMP NO. 356,COND T6 PER MIL-A-21999,SURFACE TREATMENT IS CHEMICAL FILM PER MIL-C-5541,MULTI-ANGLED BRACKET,0.947 IN. MIN TO 0.948 IN. MAX LENGTH,0.875 IN. OVERALL WIDTH,0.734 IN. OVERALL HT,ONE LEG CONTAINS 2 THREADED HOLES THRU,NO. 3-48 UNC-3B THREADS,ONE LEG CONTAINS 2 HOLES,0.1055 IN. MIN TO 0.1105 IN. MAX DIA,ONE LEG CONTAINS 2 THREADED HOLES AND 1 UNTHREADED HOLE THRU,NO. 3-48 UNC-3B THREADS IN
END ITEM IDENTIFICATIONB-1B ACFT
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

No substitute or cross-reference records for this part.

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 1783403-1?
1783403-1 is a BRACKET,MOUNTING.
What is the NSN for 1783403-1?
1783403-1 is cataloged in the U.S. Government catalog under NSN 5340-01-294-0064. This indicates validated use in U.S. government and defense supply chains.
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