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301D — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

301D: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include material: STEEL STUD, stud_length: 0.375 INCHES NOMINAL ALL THREADED STUD IN, thread_size: 0.164-32 ALL THREADED PORTIONS, style_designator: ROUND W/FLANGE THREADED STUD, major_outside_diameter: 0.563 INCHES NOMINAL IN, distance_from_flange_to_end: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-779-7298, 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
301D
NSN: 5340-00-779-7298
FSC: 5340 — Hardware, Commercial
CAGE: 61463 — LANXESS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL STUD
stud_length0.375 INCHES NOMINAL ALL THREADED STUD IN
thread_size0.164-32 ALL THREADED PORTIONS
style_designatorROUND W/FLANGE THREADED STUD
major_outside_diameter0.563 INCHES NOMINAL IN
distance_from_flange_to_end0.500 INCHES NOMINAL IN
NSN5340-00-779-7298
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 301D 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
•
STYLE DESIGNATOR: ROUND W/FLANGE THREADED STUD
•
DISTANCE FROM FLANGE TO END: 0.500 INCHES NOMINAL IN
•
STUD LENGTH: 0.375 INCHES NOMINAL ALL THREADED STUD IN
•
THREAD SIZE: 0.164-32 ALL THREADED PORTIONS
•
MATERIAL: STEEL STUD
•
MAJOR OUTSIDE DIAMETER: 0.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORROUND W/FLANGE THREADED STUD
DISTANCE FROM FLANGE TO END0.500 INCHES NOMINAL IN
STUD LENGTH0.375 INCHES NOMINAL ALL THREADED STUD IN
THREAD SIZE0.164-32 ALL THREADED PORTIONS
MATERIALSTEEL STUD
MAJOR OUTSIDE DIAMETER0.563 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 301D?
301D is a MOUNT,RESILIENT,UTILITY.
What is the NSN for 301D?
301D is cataloged in the U.S. Government catalog under NSN 5340-00-779-7298. 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.