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TK3-21 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

TK3-21: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 0.580 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, special_features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-153-4629, 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
TK3-21
NSN: 5330-00-153-4629
NIINs: 001534629, 011805158
FSC: 5330 — Packing and Gasket Materials
CAGE: 90598 — ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.580 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
style_designatorMALE COUPLING HALF
surface_treatmentCADMIUM BODY
nominal_thread_size0.375 INCHES ALL ENDS IN
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
end_item_identification02N STRATEGIC WEAPON SYSTEMS(POSEIDON AND TRIDENT)N
quick_disconnect_methodPUSH-PULL ALL ENDS
NSN5330-00-153-4629
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TK3-21 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
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 4
PV3DReference document
Same NSN cross-reference
Reference document — Secondary reference
G17162Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
25031-6-15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MQ1504Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TK3-21?
TK3-21 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace TK3-21?
There are 4 known substitutes for TK3-21: PV3D, G17162, 25031-6-15 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TK3-21?
TK3-21 is cataloged in the U.S. Government catalog under NSN 5330-00-153-4629. This indicates validated use in U.S. government and defense supply chains.
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