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11440271 — SLEEVE,SEAL,COUPLER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11440271: SLEEVE,SEAL,COUPLER.

The SLEEVE,SEAL,COUPLER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_length: 1.000 INCHES NOMINAL STUD THREAD IN, overall_length: 21.590 INCHES MINIMUM AND 21.650 INCHES MAXIMUM IN, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-143-8338, 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
11440271
NSN: 5330-00-143-8338
NIINs: 001438338, 012258632, 015336728
FSC: 5330 — Packing and Gasket Materials
CAGE: 05824 — AEROJET ROCKETDYNE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_length1.000 INCHES NOMINAL STUD THREAD IN
overall_length21.590 INCHES MINIMUM AND 21.650 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
special_featuresTHREAD QTY PER INCH = 28; THREAD CLASS = 2A; ROD DIAMETER = 0.248 - 0.251; ROD HAS A 0.75DIA. RING WELDED 20.83 FROM THREADED END WITH TWO 0.078 - 0.081DIA HOLES ON EITHER SIDE. A
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
end_item_identification1430-01-418-4396
thread_series_designatorUNF STUD THREAD
material_document_and_classificationMIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES
part_name_assigned_by_controlling_agencyROD, THREADED END
NSN5330-00-143-8338
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11440271 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
•
CROSS-SECTIONAL SHAPE STYLE: SPHERICAL
•
CROSS-SECTIONAL LENGTH: 1.000 INCHES NOMINAL IN
•
CROSS SECTION INSIDE DIAMETER: 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLESPHERICAL
CROSS-SECTIONAL LENGTH1.000 INCHES NOMINAL IN
CROSS SECTION INSIDE DIAMETER0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
CROSS SECTION OUTSIDE DIAMETER0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11440271?
11440271 is a SLEEVE,SEAL,COUPLER.
What is the NSN for 11440271?
11440271 is cataloged in the U.S. Government catalog under NSN 5330-00-143-8338. This indicates validated use in U.S. government and defense supply chains.
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