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1604-73A — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1604-73A: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, drive_type: SCREW SLOT, design_type: THREADED, thread_class: 1A A, overall_diameter: 0.687 INCHES NOMINAL IN, special_features: 0.046 IN. PRESSURE RELIEF VENT HOLE IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-776-8844, 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
1604-73A
NSN: 5340-00-776-8844
FSC: 5340 — Hardware, Commercial
CAGE: 52411 — WHITE S S CO THE (USA)
SPECIFICATIONS
materialPLASTIC
drive_typeSCREW SLOT
design_typeTHREADED
thread_class1A A
overall_diameter0.687 INCHES NOMINAL IN
special_features0.046 IN. PRESSURE RELIEF VENT HOLE IN
features_providedSHOULDER
thread_size_and_series/type_designator7/16-20 UNF
NSN5340-00-776-8844
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1604-73A 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.687 INCHES NOMINAL IN
•
DRIVE TYPE: SCREW SLOT
•
FEATURES PROVIDED: SHOULDER
•
THREAD CLASS: 1A A
•
MATERIAL: PLASTIC
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/16-20 UNF
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER0.687 INCHES NOMINAL IN
DRIVE TYPESCREW SLOT
FEATURES PROVIDEDSHOULDER
SPECIAL FEATURES0.046 IN. PRESSURE RELIEF VENT HOLE IN
THREAD CLASS1A A
MATERIALPLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/16-20 UNF
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1604-73A?
1604-73A is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 1604-73A?
1604-73A is cataloged in the U.S. Government catalog under NSN 5340-00-776-8844. This indicates validated use in U.S. government and defense supply chains.
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