MS21921-5ANDMS21922-5 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21921-5ANDMS21922-5: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: TUBE COUPLING, nut_height: 0.760 INCHES NOMINAL IN, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-910-4739, 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

MS21921-5ANDMS21922-5

NSN: 4730-00-910-4739
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL OVERALL
nut_style	TUBE COUPLING
nut_height	0.760 INCHES NOMINAL IN
seat_angle	45.0 DEGREES NOMINAL
thread_class	3B
thread_series	UNF
special_features	FLARELESS SLEEVE FURNISHED
thread_direction	RIGHT-HAND
fabrication_method	FORGED
length_to_shoulder	0.562 INCHES NOMINAL IN
width_across_flats	0.625 INCHES NOMINAL IN
nominal_thread_size	0.500 INCHES IN
NSN	4730-00-910-4739

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH TO SHOULDER: 0.562 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN

•

THREAD SERIES: UNF

•

SEAT ANGLE: 45.0 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.500 INCHES IN

•

NUT HEIGHT: 0.760 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LENGTH TO SHOULDER	0.562 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.625 INCHES NOMINAL IN
THREAD SERIES	UNF
SEAT ANGLE	45.0 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.500 INCHES IN
NUT HEIGHT	0.760 INCHES NOMINAL IN
SPECIAL FEATURES	FLARELESS SLEEVE FURNISHED
NUT STYLE	TUBE COUPLING
THREAD CLASS	3B

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 4

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AS21921Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21921V5P AND MS21922-5Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 MS21921-5ANDMS21922-5?

MS21921-5ANDMS21922-5 is a INJECTOR ASSEMBLY,FUEL.

What parts can replace MS21921-5ANDMS21922-5?

There are 4 known substitutes for MS21921-5ANDMS21922-5: AS18280, SAE-AS18280, AS21921 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21921-5ANDMS21922-5?

MS21921-5ANDMS21922-5 is cataloged in the U.S. Government catalog under NSN 4730-00-910-4739. This indicates validated use in U.S. government and defense supply chains.

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MS21921-5ANDMS21922-5 — INJECTOR ASSEMBLY,FUEL

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