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4P99010-139A — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4P99010-139A: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include special_features: RETANGULAR IN SHAPE, end_item_identification: C-5 RELIABILITY ENHANCEMENT RE-ENGINING PROGRAM, part_name_assigned_by_controlling_agency: BRACKET-UPPER, STRUT TO AIRFRAME LH, THREE STRUT MOUNT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-615-6433, 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
4P99010-139A
NSN: 5340-01-615-6433
FSC: 5340 — Hardware, Commercial
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
special_featuresRETANGULAR IN SHAPE
mounting_hole_quantity4
end_item_identificationC-5 RELIABILITY ENHANCEMENT RE-ENGINING PROGRAM
part_name_assigned_by_controlling_agencyBRACKET-UPPER, STRUT TO AIRFRAME LH, THREE STRUT MOUNT
NSN5340-01-615-6433
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4P99010-139A 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 HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
SPECIAL FEATURESRETANGULAR IN SHAPE
PART NAME ASSIGNED BY CONTROLLING AGENCYBRACKET-UPPER, STRUT TO AIRFRAME LH, THREE STRUT MOUNT
END ITEM IDENTIFICATIONC-5 RELIABILITY ENHANCEMENT RE-ENGINING PROGRAM
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: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4P99010-139A?
4P99010-139A is a BRACKET,MOUNTING.
What is the NSN for 4P99010-139A?
4P99010-139A is cataloged in the U.S. Government catalog under NSN 5340-01-615-6433. 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.