PartsTable
Technical Data Sheet
Download PDF

J103978 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

J103978: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, color_chip_number: 33446, overall_thickness: 0.125 INCHES NOMINAL IN, surface_treatment: CARC (CHEMICAL AGENT RESISTANT COATING), end_item_identification: MRAP - M-ATV, part_name_assigned_by_controlling_agency: HORIZONTAL REAR MOUNT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-659-7576, 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
J103978
NSN: 5340-01-659-7576
FSC: 5340 — Hardware, Commercial
CAGE: 622B7 — LOCKHEED MARTIN CORPORATION DIV MFC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
special_featuresASSEMBLY INCLUDES: 1EA FLAT PLATE (PART NUMBER: J103982); 1EA VERTICAL TUBE (PART NUMBER: J103985); 1EA REAR BASE (PART NUMBER: J103977)
color_chip_number33446
overall_thickness0.125 INCHES NOMINAL IN
surface_treatmentCARC (CHEMICAL AGENT RESISTANT COATING)
end_item_identificationMRAP - M-ATV
part_name_assigned_by_controlling_agencyHORIZONTAL REAR MOUNT
NSN5340-01-659-7576
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: J103978 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
•
COLOR CHIP NUMBER: 33446
•
OVERALL THICKNESS: 0.125 INCHES NOMINAL IN
•
COLOR: TAN, 686A A
•
SURFACE TREATMENT: CARC (CHEMICAL AGENT RESISTANT COATING)
•
MATERIAL: STEEL COMP 4130
TECHNICAL CHARACTERISTICS
COLOR CHIP NUMBER33446
OVERALL THICKNESS0.125 INCHES NOMINAL IN
COLORTAN, 686A A
SPECIAL FEATURESASSEMBLY INCLUDES: 1EA FLAT PLATE (PART NUMBER: J103982); 1EA VERTICAL TUBE (PART NUMBER: J103985); 1EA REAR BASE (PART NUMBER: J103977)
SURFACE TREATMENTCARC (CHEMICAL AGENT RESISTANT COATING)
PART NAME ASSIGNED BY CONTROLLING AGENCYHORIZONTAL REAR MOUNT
END ITEM IDENTIFICATIONMRAP - M-ATV
MATERIALSTEEL COMP 4130
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
Ready to buy J103978?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is J103978?
J103978 is a BRACKET,MOUNTING.
What is the NSN for J103978?
J103978 is cataloged in the U.S. Government catalog under NSN 5340-01-659-7576. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — J103978