MS21921-2W — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21921-2W: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL, nut_style: TUBE COUPLING, nut_height: 0.530 INCHES NOMINAL IN, seat_angle: 45.00 DEGREES NOMINAL, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-618-7878, 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

MS21921-2W

NSN: 4730-00-618-7878
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL
nut_style	TUBE COUPLING
nut_height	0.530 INCHES NOMINAL IN
seat_angle	45.00 DEGREES NOMINAL
thread_class	3B
thread_series	UNF
thread_direction	RIGHT-HAND
surface_treatment	ANODIZE OVERALL
length_to_shoulder	0.425 INCHES NOMINAL IN
width_across_flats	0.375 INCHES NOMINAL IN
nominal_thread_size	0.312 INCHES IN
smallest_inside_diameter	0.171 INCHES NOMINAL IN
NSN	4730-00-618-7878

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH TO SHOULDER: 0.425 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN

•

THREAD SERIES: UNF

•

SEAT ANGLE: 45.00 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.312 INCHES IN

•

SPECIFICATION/STANDARD DATA: 96906-MS21921 GOVERNMENT STANDARD

•

NUT HEIGHT: 0.530 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LENGTH TO SHOULDER	0.425 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.375 INCHES NOMINAL IN
THREAD SERIES	UNF
SEAT ANGLE	45.00 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
SPECIFICATION/STANDARD DATA	96906-MS21921 GOVERNMENT STANDARD
NUT HEIGHT	0.530 INCHES NOMINAL IN
SURFACE TREATMENT	ANODIZE OVERALL
NUT STYLE	TUBE COUPLING

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

MS21921-2DReference document

Same NSN cross-reference

Reference document — Secondary reference

AS21921Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21917D2Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 MS21921-2W?

MS21921-2W is a INJECTOR ASSEMBLY,FUEL.

What parts can replace MS21921-2W?

There are 5 known substitutes for MS21921-2W: MS21921-2D, AS21921, SAE-AS18280 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21921-2W?

MS21921-2W is cataloged in the U.S. Government catalog under NSN 4730-00-618-7878. This indicates validated use in U.S. government and defense supply chains.

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MS21921-2W — INJECTOR ASSEMBLY,FUEL

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