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P4078879 — PLATE,MENDING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P4078879: PLATE,MENDING.

The PLATE,MENDING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 5.900 INCHES MINIMUM AND 5.940 INCHES MAXIMUM IN, overall_length: 4.790 INCHES MINIMUM AND 4.830 INCHES MAXIMUM IN, special_features: THIS SUPPORT CLAMP IS IN TEE FORMATION,STYLE, surface_treatment: NICKEL, material_thickness: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-373-1530, 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
P4078879
NSN: 5340-01-373-1530
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
overall_width5.900 INCHES MINIMUM AND 5.940 INCHES MAXIMUM IN
overall_length4.790 INCHES MINIMUM AND 4.830 INCHES MAXIMUM IN
special_featuresTHIS SUPPORT CLAMP IS IN TEE FORMATION,STYLE
surface_treatmentNICKEL
material_thickness0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
mounting_hole_diameter0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
material_document_and_classificationASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationAMS 2404 ASSN STD SINGLE TREATMENT RESPONSE
NSN5340-01-373-1530
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P4078879 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2404 ASSN STD SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
•
SURFACE TREATMENT: NICKEL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2404 ASSN STD SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
OVERALL LENGTH4.790 INCHES MINIMUM AND 4.830 INCHES MAXIMUM IN
OVERALL WIDTH5.900 INCHES MINIMUM AND 5.940 INCHES MAXIMUM IN
MATERIAL THICKNESS0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
SPECIAL FEATURESTHIS SUPPORT CLAMP IS IN TEE FORMATION,STYLE
SURFACE TREATMENTNICKEL
MATERIALSTEEL
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 P4078879?
P4078879 is a PLATE,MENDING.
What is the NSN for P4078879?
P4078879 is cataloged in the U.S. Government catalog under NSN 5340-01-373-1530. 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.