21F183D4-4 — IGNITION HOUSING ASSEMBLY

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

21F183D4-4: IGNITION HOUSING ASSEMBLY.

The IGNITION HOUSING ASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.094 INCHES NOMINAL FIRST END IN, seat_angle: 12.0 DEGREES SECOND END, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL TUBE SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-077-6447, 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

21F183D4-4

NSN: 4730-01-077-6447
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 7075 OVERALL
flow_angle	90.0 DEGREES
leg_length	1.094 INCHES NOMINAL FIRST END IN
seat_angle	12.0 DEGREES SECOND END
thread_class	3B FIRST END
connection_type	THREADED EXTERNAL TUBE SECOND END
connection_style	FLARELESS (TUBE) SECOND END
surface_treatment	ANODIZE OVERALL
nominal_thread_size	0.437 INCHES FIRST END IN
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
material_document_and_classification	QQ-A-367,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated	0.250 INCHES SECOND END IN
NSN	4730-01-077-6447

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW ANGLE: 90.0 DEGREES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-18280 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

CONNECTION STYLE: SWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST END

•

CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-367,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

FLOW ANGLE	90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-18280 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	SWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST END
CONNECTION STYLE	FLARELESS (TUBE) SECOND END
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
CONNECTION TYPE	THREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-367,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES SECOND END IN
LEG LENGTH	1.094 INCHES NOMINAL FIRST END IN

SUBSTITUTES & CROSS-REFERENCES 3

5-01566Reference document

Same NSN cross-reference

Reference document — Secondary reference

ER1833W-4-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5-01566-4-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21F183D4-4?

21F183D4-4 is a IGNITION HOUSING ASSEMBLY.

What parts can replace 21F183D4-4?

There are 3 known substitutes for 21F183D4-4: 5-01566, ER1833W-4-4, 5-01566-4-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 21F183D4-4?

21F183D4-4 is cataloged in the U.S. Government catalog under NSN 4730-01-077-6447. This indicates validated use in U.S. government and defense supply chains.

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