SAE-AS21921 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

SAE-AS21921: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING NUT, nut_style: TUBE COUPLING, nut_height: 1.05 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT (UNJ), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-684-0114, 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

SAE-AS21921

NSN: 4730-00-684-0114
NIINs: 006840114, 008252095, 015430008, 016192200, 016601400
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING NUT
nut_style	TUBE COUPLING
nut_height	1.05 INCHES NOMINAL IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT (UNJ)
thread_direction	RIGHT-HAND
fabrication_method	MACHINED
width_across_flats	2.0 INCHES NOMINAL IN
nominal_thread_size	1.625 INCHES IN
smallest_inside_diameter	1.33 INCHES NOMINAL IN
thread_quantity_per_inch	12
nominal_tube_outside_diameter	1.25 INCHES IN
NSN	4730-00-684-0114

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH TO SHOULDER: 0.562 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SEAT ANGLE: 45.00 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.500 INCHES IN

TECHNICAL CHARACTERISTICS

LENGTH TO SHOULDER	0.562 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SEAT ANGLE	45.00 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.500 INCHES IN
SPECIFICATION/STANDARD DATA	96906-MS21921 GOVERNMENT STANDARD
NUT HEIGHT	0.760 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 7

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

204-70017-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

NAS1367PA5JReference document

Same NSN cross-reference

Reference document — Secondary reference

AS21921Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21921-5JReference document

Same NSN cross-reference

Reference document — Secondary reference

4730PL1454746Reference 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 SAE-AS21921?

SAE-AS21921 is a INJECTOR ASSEMBLY,FUEL.

What parts can replace SAE-AS21921?

There are 7 known substitutes for SAE-AS21921: SAE-AS18280, 204-70017-5, NAS1367PA5J and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for SAE-AS21921?

SAE-AS21921 is cataloged in the U.S. Government catalog under NSN 4730-00-684-0114. This indicates validated use in U.S. government and defense supply chains.

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SAE-AS21921 — INJECTOR ASSEMBLY,FUEL

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