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IT-4900-550 — BAND,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

IT-4900-550: BAND,RETAINING.

The BAND,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.3120 INCHES NOMINAL IN, length: 19.4100 INCHES NOMINAL IN, material: STEEL COMP 321 OR STEEL COMP 301, end_style: SOLID LOOP, basic_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-393-9401, 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
IT-4900-550
NSN: 5340-01-393-9401
FSC: 5340 — Hardware, Commercial
CAGE: 26831 — INDUSTRIAL TUBE CO LLC DBA INDUSTRIAL TUBE CO LLC DIV INDUSTRIAL TUBE COMPANY, LLC (USA)
SPECIFICATIONS
width0.3120 INCHES NOMINAL IN
length19.4100 INCHES NOMINAL IN
materialSTEEL COMP 321 OR STEEL COMP 301
end_styleSOLID LOOP
basic_shape_styleFLAT
material_document_and_classificationMIL-S-6721, COMP TI 321 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-5059, COMP 301, COND 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE
NSN5340-01-393-9401
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: IT-4900-550 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
•
LENGTH: 19.4100 INCHES NOMINAL IN
•
END STYLE: SOLID LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6721, COMP TI 321 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-5059, COMP 301, COND 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE
•
BASIC SHAPE STYLE: FLAT
•
WIDTH: 0.3120 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 321 OR STEEL COMP 301
TECHNICAL CHARACTERISTICS
LENGTH19.4100 INCHES NOMINAL IN
END STYLESOLID LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721, COMP TI 321 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-5059, COMP 301, COND 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE
BASIC SHAPE STYLEFLAT
WIDTH0.3120 INCHES NOMINAL IN
MATERIALSTEEL COMP 321 OR STEEL COMP 301
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 2
40027-550Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GC501P550Reference 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 IT-4900-550?
IT-4900-550 is a BAND,RETAINING.
What parts can replace IT-4900-550?
There are 2 known substitutes for IT-4900-550: 40027-550, GC501P550. Substitute compatibility should be verified for your specific system.
What is the NSN for IT-4900-550?
IT-4900-550 is cataloged in the U.S. Government catalog under NSN 5340-01-393-9401. This indicates validated use in U.S. government and defense supply chains.
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