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P4078986 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P4078986: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 6.250 INCHES NOMINAL IN, overall_length: 0.750 INCHES NOMINAL IN, surface_treatment: ANODIZE, mounting_hole_type: COUNTERSUNK, mounting_hole_diameter: 0.406 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-470-7446, 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
P4078986
NSN: 5340-01-470-7446
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width6.250 INCHES NOMINAL IN
overall_length0.750 INCHES NOMINAL IN
surface_treatmentANODIZE
mounting_hole_typeCOUNTERSUNK
mounting_hole_diameter0.406 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
mounting_hole_quantity8
end_item_identification6635013784011
surface_treatment_document_and_classificationMIL-A-8625,TYPEIII,CLASS1 MIL STD ALL TREATMENT RESPONSES
NSN5340-01-470-7446
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P4078986 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: 8
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPEIII,CLASS1 MIL STD ALL TREATMENT RESPONSES
•
MOUNTING HOLE DIAMETER: 0.406 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY8
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPEIII,CLASS1 MIL STD ALL TREATMENT RESPONSES
MOUNTING HOLE DIAMETER0.406 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
OVERALL LENGTH0.750 INCHES NOMINAL IN
OVERALL WIDTH6.250 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE
END ITEM IDENTIFICATION6635013784011
MATERIALSTEEL CORROSION RESISTING
MOUNTING HOLE TYPECOUNTERSUNK
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P4078986?
P4078986 is a BRACKET,MOUNTING.
What is the NSN for P4078986?
P4078986 is cataloged in the U.S. Government catalog under NSN 5340-01-470-7446. 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.