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5901-3100302PC73B — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5901-3100302PC73B: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: THREADED, thread_class: 2A A, width_across_flats: 2.625 INCHES NOMINAL IN, inside_diameter_length: 0.812 INCHES NOMINAL IN, thread_size_and_series/type_designator: 2.250-14 UNS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-375-8744, 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
5901-3100302PC73B
NSN: 5340-00-375-8744
FSC: 5340 — Hardware, Commercial
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
design_typeTHREADED
thread_class2A A
width_across_flats2.625 INCHES NOMINAL IN
inside_diameter_length0.812 INCHES NOMINAL IN
thread_size_and_series/type_designator2.250-14 UNS
NSN5340-00-375-8744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5901-3100302PC73B 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
•
WIDTH ACROSS FLATS: 2.625 INCHES NOMINAL IN
•
DESIGN TYPE: THREADED
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 2.250-14 UNS
•
INSIDE DIAMETER LENGTH: 0.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.625 INCHES NOMINAL IN
DESIGN TYPETHREADED
THREAD CLASS2A A
MATERIALSTEEL
THREAD SIZE AND SERIES/TYPE DESIGNATOR2.250-14 UNS
INSIDE DIAMETER LENGTH0.812 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 1
483763PC73BReference document
Same NSN cross-reference
Reference document — Secondary reference
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 5901-3100302PC73B?
5901-3100302PC73B is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 5901-3100302PC73B?
There is 1 known substitute for 5901-3100302PC73B: 483763PC73B. Substitute compatibility should be verified for your specific system.
What is the NSN for 5901-3100302PC73B?
5901-3100302PC73B is cataloged in the U.S. Government catalog under NSN 5340-00-375-8744. 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.