AS21916 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

AS21916: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, reducer_type: CONCENTRIC, thread_class: 3A BOTH ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS, nominal_thread_size: 0.4375 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-052-7349, 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

AS21916

NSN: 4730-00-052-7349
NIINs: 000527349, 001664191, 002028836, 002037494, 002788391, 002788392, 002790162, 002790163, 002892770, 002892776, 003159787, 003285221, 003299652, 003299659, 004753933, 004754121, 005411204, 005414207, 005414331, 005414332, 005414903, 005417002, 005417195, 005417197, 006401306, 006401933, 006405042, 006405856, 006405857, 006405858, 006405860, 006407189, 006407191, 006407201, 006838872, 006843528, 007200231, 007200233, 007200234, 007201444, 007222600, 008071074, 008178316, 008263421, 008404861, 008439671, 008443102, 008518464, 008518466, 008552196, 008868515, 009061095, 009231945, 009842469, 009901257, 010408769, 010410411, 010458459, 011620107, 011650174, 011911481, 011970493, 012266039, 012414122, 013435447, 013447643, 014205096, 015348659, 015428851, 015428855, 015428860, 015428866, 015428870, 015428872, 015428879, 015428894, 015428901, 015428911, 015428920, 015428924, 015428930, 015428975, 015429004, 015429017, 015429029, 015429033, 015491512, 016890317, 017362671
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
reducer_type	CONCENTRIC
thread_class	3A BOTH ENDS A
connection_type	THREADED EXTERNAL BOSS ALL ENDS
connection_style	EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
nominal_thread_size	0.4375 INCHES SECOND END IN
nominal_overall_length	1.344 INCHES IN
end_item_identification	C-5
thread_quantity_per_inch	20 SECOND END
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) BOTH ENDS
part_name_assigned_by_controlling_agency	REDUCER, EXTERNAL THREAD, FLARELESS TUBE
NSN	4730-00-052-7349

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS

•

NOMINAL OVERALL LENGTH: 1.094 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN

•

SPECIFICATION/STANDARD DATA: 81349-MIL-F-18280C GOVERNMENT SPECIFICATION

•

SURFACE TREATMENT: PASSIVATE OUTSIDE

•

THREAD CLASS: 3A ALL ENDS A

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
NOMINAL OVERALL LENGTH	1.094 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE	0.438 INCHES FIRST END IN
NOMINAL THREAD SIZE	0.312 INCHES SECOND END IN
SPECIFICATION/STANDARD DATA	81349-MIL-F-18280C GOVERNMENT SPECIFICATION
SURFACE TREATMENT	PASSIVATE OUTSIDE
THREAD CLASS	3A ALL ENDS A
MATERIAL	STEEL COMP 304 OVERALL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 5

MS21916J4-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21916-4-2CReference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

10086117Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 AS21916?

AS21916 is a INJECTOR ASSEMBLY,FUEL.

What parts can replace AS21916?

There are 5 known substitutes for AS21916: MS21916J4-2, AS18280, MS21916-4-2C and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for AS21916?

AS21916 is cataloged in the U.S. Government catalog under NSN 4730-00-052-7349. This indicates validated use in U.S. government and defense supply chains.

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AS21916 — INJECTOR ASSEMBLY,FUEL

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