LL3-K21 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

LL3-K21: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 0.406 INCHES MINIMUM IN, overall_length: 1.750 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-247-9189, 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

LL3-K21

NSN: 4730-00-247-9189
NIINs: 002479189, 003949743
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 73992 — TUTHILL CORP HANSEN COUPLING DIV (USA)

SPECIFICATIONS

material	STEEL BODY
leg_length	0.406 INCHES MINIMUM IN
overall_length	1.750 INCHES NOMINAL IN
connection_type	THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_style	PLAIN ALL ENDS
style_designator	MALE COUPLING HALF
features_provided	SELF-SEALING
surface_treatment	PASSIVATE BODY
nominal_thread_size	0.375 INCHES ALL ENDS IN
quick_disconnect_method	PUSH-PULL ALL ENDS
thread_series_designator	NPT ALL ENDS
mating_end_identification	U.S.ARMY MISSILE COMMAND COUPLING HALF,QUICK DISCONNECT,PART NO.10293006
NSN	4730-00-247-9189

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN ALL ENDS

•

CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BODY

•

QUICK DISCONNECT NOMINAL SIZE: 0.750 INCHES ALL ENDS IN

•

LEG LENGTH: 0.406 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN ALL ENDS
CONNECTION TYPE	THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION TYPE	EXTERNAL QUICK DISCONNECT ALL ENDS
STYLE DESIGNATOR	MALE COUPLING HALF
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE BODY
OVERALL LENGTH	1.750 INCHES NOMINAL IN
QUICK DISCONNECT NOMINAL SIZE	0.750 INCHES ALL ENDS IN
LEG LENGTH	0.406 INCHES MINIMUM IN
FEATURES PROVIDED	SELF-SEALING
NOMINAL THREAD SIZE	0.375 INCHES ALL ENDS IN

SUBSTITUTES & CROSS-REFERENCES 8

FD45-1004-06-06Reference document

Same NSN cross-reference

Reference document — Secondary reference

K3S/SSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6303451-002Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

P-H #SH3-63Reference document

Same NSN cross-reference

Reference document — Secondary reference

SH3-63Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

PL845-5331043 FReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is LL3-K21?

LL3-K21 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace LL3-K21?

There are 8 known substitutes for LL3-K21: FD45-1004-06-06, K3S/S, 6303451-002 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for LL3-K21?

LL3-K21 is cataloged in the U.S. Government catalog under NSN 4730-00-247-9189. This indicates validated use in U.S. government and defense supply chains.

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