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050791 ITEM 25 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

050791 ITEM 25: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: IRON ALLOY OVERALL, special_features: THIRTY DEGREE EXTERNAL CHAMFER; ATTACHMENT HOLE TAPPED 2-64NF-2, attachment_method: ROUND HOLE, precious_material: SILVER, surface_treatment: SILVER OVERALL, peripheral_diameter: 4.484 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-191-0531, 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
050791 ITEM 25
NSN: 5330-01-191-0531
FSC: 5330 — Packing and Gasket Materials
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialIRON ALLOY OVERALL
special_featuresTHIRTY DEGREE EXTERNAL CHAMFER; ATTACHMENT HOLE TAPPED 2-64NF-2
attachment_methodROUND HOLE
precious_materialSILVER
surface_treatmentSILVER OVERALL
peripheral_diameter4.484 INCHES NOMINAL IN
center_hole_diameter3.688 INCHES MINIMUM AND 3.704 INCHES MAXIMUM IN
cross-sectional_height1.031 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
attachment_hole_diameter0.070 INCHES NOMINAL IN
attachment_feature_quantity1
cross-sectional_shape_styleU
precious_material_and_locationEXTERNAL SURFACES SILVER
NSN5330-01-191-0531
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 050791 ITEM 25 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
•
ATTACHMENT HOLE DIAMETER: 0.070 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 1
•
CROSS-SECTIONAL HEIGHT: 1.031 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
•
PRECIOUS MATERIAL: SILVER
•
CROSS-SECTIONAL SHAPE STYLE: U
•
PERIPHERAL DIAMETER: 4.484 INCHES NOMINAL IN
•
SURFACE TREATMENT: SILVER OVERALL
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.070 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY1
CROSS-SECTIONAL HEIGHT1.031 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
PRECIOUS MATERIALSILVER
CROSS-SECTIONAL SHAPE STYLEU
PERIPHERAL DIAMETER4.484 INCHES NOMINAL IN
SPECIAL FEATURESTHIRTY DEGREE EXTERNAL CHAMFER; ATTACHMENT HOLE TAPPED 2-64NF-2
SURFACE TREATMENTSILVER OVERALL
CENTER HOLE DIAMETER3.688 INCHES MINIMUM AND 3.704 INCHES MAXIMUM IN
PRECIOUS MATERIAL AND LOCATIONEXTERNAL SURFACES SILVER
SUBSTITUTES & CROSS-REFERENCES 1
117972Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 050791 ITEM 25?
050791 ITEM 25 is a RETAINER,PACKING.
What parts can replace 050791 ITEM 25?
There is 1 known substitute for 050791 ITEM 25: 117972. Substitute compatibility should be verified for your specific system.
What is the NSN for 050791 ITEM 25?
050791 ITEM 25 is cataloged in the U.S. Government catalog under NSN 5330-01-191-0531. This indicates validated use in U.S. government and defense supply chains.
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