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M1279 — TRUCK,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M1279: TRUCK,UTILITY.

The TRUCK,UTILITY is a the manufacturer industrial component. Key specifications include width: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN, material: COPPER ALLOY OVERALL, hole_diameter: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN, overall_height: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), material_thickness: 0.0135 INCHES MINIMUM AND 0.0145 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-026-9475, 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
M1279
NSN: 5340-00-026-9475
NIINs: 000269475, 016525208
FSC: 5340 — Hardware, Commercial
CAGE: 07453 — DAHLBERG CO (USA)
SPECIFICATIONS
width1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
materialCOPPER ALLOY OVERALL
hole_diameter0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
overall_height1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
material_thickness0.0135 INCHES MINIMUM AND 0.0145 INCHES MAXIMUM IN
NSN5340-00-026-9475
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M1279 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 METHOD: UNTHREADED HOLE(S)
•
MATERIAL THICKNESS: 0.0135 INCHES MINIMUM AND 0.0145 INCHES MAXIMUM IN
•
WIDTH: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
MOUNTING METHODUNTHREADED HOLE(S)
MATERIAL THICKNESS0.0135 INCHES MINIMUM AND 0.0145 INCHES MAXIMUM IN
WIDTH1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
540-1761-003Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 M1279?
M1279 is a TRUCK,UTILITY.
What parts can replace M1279?
There is 1 known substitute for M1279: 540-1761-003. Substitute compatibility should be verified for your specific system.
What is the NSN for M1279?
M1279 is cataloged in the U.S. Government catalog under NSN 5340-00-026-9475. This indicates validated use in U.S. government and defense supply chains.
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